1/2 Limit on Bet365. Villain, after 50 hands, is 15.52/13.79/6

Hero dealt 2[img]/images/graemlins/club.gif[/img]2[img]/images/graemlins/heart.gif[/img]

Pre-flop: UTG calls, Hero calls, Villain raises, 2 folds, MP3 calls, 4 folds, UTG calls, Hero calls

Flop (9.5 SB) (4 players): Q[img]/images/graemlins/diamond.gif[/img]4[img]/images/graemlins/spade.gif[/img]4[img]/images/graemlins/club.gif[/img]

UTG checked, Hero checked, Villain bet, MP3 folded, UTG folded, Hero ???

<font color="blue"> </font> Also, should I have bet the flop?