When should I have gotten out of this wild hand?

Button is a TAG (16.7/7.14/1.22/22.22), rest are either fishy or i don't have reads yet.

Party Poker 0.50/1 Hold'em (10 handed) FTR converter on zerodivide.cx

Preflop: Hero is MP1 with T[img]/images/graemlins/spade.gif[/img], K[img]/images/graemlins/spade.gif[/img].
UTG calls, UTG+1 calls, <font color="#666666">1 fold</font>, Hero calls, MP2 calls, <font color="#666666">2 folds</font>, Button calls, SB completes, BB checks.

Flop: (7 SB) K[img]/images/graemlins/diamond.gif[/img], K[img]/images/graemlins/club.gif[/img], 6[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(7 players)</font>
SB checks, BB checks, UTG checks, <font color="#CC3333">UTG+1 bets</font>, <font color="#CC3333">Hero raises</font>, MP2 calls, <font color="#CC3333">Button 3-bets</font>, SB folds, BB folds, UTG folds, <font color="#CC3333">UTG+1 caps</font>, Hero calls, MP2 calls, Button calls.

Turn: (11.50 BB) 7[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">UTG+1 bets</font>, Hero calls, MP2 calls, <font color="#CC3333">Button raises</font>, <font color="#CC3333">UTG+1 3-bets</font>, Hero calls, MP2 calls, Button calls.

River: (23.50 BB) 8[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">UTG+1 bets</font>, Hero calls, <font color="#CC3333">MP2 raises</font>, Button calls, <font color="#CC3333">UTG+1 3-bets</font>, Hero calls, MP2 calls, Button calls.

Final Pot: 35.50 BB