Called on a steal attempt, marginally hit the flop

[Bakified]

Since I've started reading this forum more regularly I've been trying to add more aggression to my game and attempt to steal the blinds more. I've been getting in situations like this as a result fairly frequently.

PokerStars No-Limit Hold'em Tourney, Big Blind is t100 (9 handed) converter

MP1 (t3085)
MP2 (t1260)
Hero (t2115)
CO (t1935)
Button (t250)
SB (t1845)
BB (t1625)
UTG (t4110)
UTG+1 (t1735)

Preflop: Hero is MP3 with Q[img]/images/graemlins/diamond.gif[/img], 3[img]/images/graemlins/spade.gif[/img].
<font color="#666666">4 folds</font>, <font color="#CC3333">Hero raises to t300</font>, <font color="#666666">2 folds</font>, SB calls t250, <font color="#666666">1 fold</font>.

Flop: (t700) 3[img]/images/graemlins/club.gif[/img], 5[img]/images/graemlins/club.gif[/img], 9[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, <font color="#CC3333">

Hero??