KQs 1/2 Stars: thin call?

[Goodnews]

PokerStars 1/2 Hold'em (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Preflop: Hero is CO with Q[img]/images/graemlins/spade.gif[/img], K[img]/images/graemlins/spade.gif[/img].
UTG calls, <font color="#666666">2 folds</font>, MP2 calls, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises</font>, <font color="#666666">1 fold</font>, SB calls, <font color="#666666">1 fold</font>, UTG calls, MP2 calls.

Flop: (9 SB) 3[img]/images/graemlins/diamond.gif[/img], J[img]/images/graemlins/club.gif[/img], 9[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
SB checks, <font color="#CC3333">UTG bets</font>, MP2 calls, Hero calls, SB folds.

Turn: (6 BB) 5[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">UTG bets</font>, MP2 folds, Hero ???

I really want to call here. I think I should have raised the flop for a free card, but villain was somewhat aggro. Thoughts on flop play? What would you do on the turn?