vegas hand #3

[PrtyPSux 0]

4/8 w/ a half kill. SB has the kill button but it isnt kill yet, I have AsAc on the button. SB only bought in w/ like $50 bucks, and is drinking quite a bit. Table just got tight all of a sudden for like 10 hands.MP limps, CO limps, I raise, SB 3 bets, MP folds, CO calls, I four bet, SB caps, CO calls, I call.flop Jc, 7c, JxSB bets, CO calls, SB 3 bets, CO calls, I four bet, SB caps, CO calls.turn is x no clubSB bets, CO calls, I callriver KcSB bets, CO raises, I fold.good? would u have played it differently?