CR'd on turn by TAG - pay this off?

[donger]

Villain in this hand is 18/13/1.8. I really don't think he's playing KQ this way. Am I spewing by not mucking this?

Party Poker 5/10 Hold'em (6 max, 6 handed) converter

Preflop: Hero is Button with A[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/club.gif[/img].
UTG calls, MP calls, CO calls, <font color="#CC3333">Hero raises</font>, <font color="#666666">2 folds</font>, UTG calls, MP calls, CO calls.

Flop: (9.40 SB) Q[img]/images/graemlins/diamond.gif[/img], 5[img]/images/graemlins/club.gif[/img], 9[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">UTG bets</font>, MP calls, CO calls, <font color="#CC3333">Hero raises</font>, UTG calls, MP calls, CO calls.

Turn: (8.70 BB) 8[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(4 players)</font>
UTG checks, MP checks, CO checks, <font color="#CC3333">Hero bets</font>, <font color="#CC3333">UTG raises</font>, MP calls, CO folds, Hero calls.