Folding to a turn CR?

[pfkaok]

Party Poker 15/30 Hold'em (10 handed) converter

Preflop: Hero is MP3 with Q[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/club.gif[/img].
<font color="#666666">2 folds</font>, UTG+2 calls, <font color="#666666">2 folds</font>, <font color="#CC3333">Hero raises</font>, <font color="#666666">4 folds</font>, UTG+2 calls.

Flop: (5.66 SB) K[img]/images/graemlins/heart.gif[/img], 5[img]/images/graemlins/club.gif[/img], 4[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
UTG+2 checks, <font color="#CC3333">Hero bets</font>, UTG+2 calls.

Turn: (3.83 BB) Q[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
UTG+2 checks, <font color="#CC3333">Hero bets</font>, <font color="#CC3333">UTG+2 raises</font>, Hero folds.

Final Pot: 6.83 BB

How aggressive does villian have to be in order to consider chekcing behind on turn to induce bluff/value bet if checked to on river? Or to consider calling down after he CR's?

[wrto4556]

He has to be pretty tricky and I would like a better hand and a bigger pot, too.