100r: Weird spot with big overpair

[Superfluous Man]

Here's a hand from tonight's 'stars 100r that I probably screwed up somehow. But, I've asked some people and there have been divergent opinions as to what I should do on the flop, so, I may as well post it here.

UTG is ComeOnPhish. He has good results, but a lot of people think he plays badly (I forget exactly how, I'm thinking overly aggro with garbage or something, or that he calls pushes with draws too light, or something...people always seem to be mad about him sucking out on them).

SB is stealthmunk. He's aggro, obviously a good, thinking player. I'm not really sure I've seen him cold-call out of the SB ever, so I'm more than a little worried he's trying to induce a limp-rr squeeze from ComeOnPhish. Or at least trap ComeOnPhish into spewing off his stack somehow (and, for that matter, me too...I've spewed off stacks to stealthmunk with less than marginal holdings before).

My image is fairly aggro, I kind of got out of line earlier, when, shortly after the rebuy period ended, I 4-bet shoved 55 pf from the BB and held vs. AKs. Maybe my image is a little looser than average. I've opened a few pots recently and folded to 3-bets, for what it's worth.

PokerStars No-Limit Hold'em Tourney, Big Blind is t600 (9 handed) pokerhand.org hand converter

UTG+1 (t8745)
MP1 (t6634)
MP2 (t14175)
Hero (t30145)
CO (t13050)
Button (t9796)
SB (t27525)
BB (t21760)
UTG (t22155)

Preflop: Hero is MP3 with Q[img]/images/graemlins/spade.gif[/img], Q[img]/images/graemlins/club.gif[/img].
UTG calls t600, <font color="#666666">3 folds</font>, <font color="#CC3333">Hero raises to t2400</font>, <font color="#666666">2 folds</font>, SB calls t2100, <font color="#666666">1 fold</font>, UTG calls t1800.

Flop: (t7300) 4[img]/images/graemlins/diamond.gif[/img], 2[img]/images/graemlins/heart.gif[/img], 3[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
SB bets t5000, UTG calls t5000, Hero ????