Interesting hand from 10-25 cash game

I have been playing a little bit of cash online and thought this was an interesting hand.

I question whether I should call three big bets in this case since the SB could easily have a 7. But after the fact, it is clear he played it even worse than I did. I mean, I could have easily had a 7 in the BB, and he probably should have slowed down a bit after firing the first two bets.

Tell me what you think.

Stacks:
UTG with $29.26
UTG+1 with $26.63
MP1 with $23.70
MP2 with $24.50
MP3 with $99.73
CO with $39.22
BTN with $25.00
SB with $41.55
BB with $50.01

Site: Full Tilt Poker
Dealt to BB:A♠ T♣

Preflop:
5 players fold.
CO raises to $0.75
BTN calls [$0.75]
SB calls [$0.65]
Hero calls [$0.50]
Total folds this street: 5
Potsize: $3

I hate my hand here. ATo is easily crushed. But I can't see any other way to play this properly than to call.

Flop:
A♦ 7♠ 7♥
SB bets [$3]
Hero calls [$3]
2 players folded.
Total folds this street: 2
Potsize: $9

A pot-sized bet into this flop does not smell like a 7 at all, so I call, planning to fold if the SB shows a lot of strength on the turn.

Turn:
10♦
SB bets [$9]
2 players fold.
Hero calls [$9]
Potsize: $27

This is either the worst card or the best card in the deck for me. If he's playing AQ or AJ, it's great. If he's playing 87, the T just got me deeper into a hand I pondered dumping.

River:
5♣
SB bets [$27]
Hero calls [$27]

This $27 bet only makes sense if he played a hand like 87 preflop. But it just doesn't add up. Still thinking that a guy who flopped trips would not have fired on the flop, I call this and pray.

Results:
SB shows :
A♣ K♦
Hero shows :
A♠ 10♣ Hero wins the pot ($78) with two pair, Aces and Tens

KJs is brutal

Is two months too long to find out what hand costs me more money than any other? Mentioned it in June and then never revisited the issue.

The worst hand: KJ suited. And it's not even close.

According to Poker Copilot, KJ suited costs me twice as much per time it's dealt to me than the second-worst hand, which is ... I have no idea. I'm having some computer issues, and Poker Copilot might be one of the issues. I'll look into it and try to report back at some point.

Still, a quick view at the stats has helped me plug a leak. I look at KJs a lot differently than I used to. It goes in the muck a lot more than it used to, even though I don't remember playing it very often in the past. I just think that, when I did play it and did hit it, it ended up costing me a lot of money.

It doesn't mean I've tightened up even more. It just means I've replaced hands like KJs with more suited connectors, suited one-gappers, etc. It's probably way past time for me to open it up a bit anyway.