very early in PP 30+3 MTT - what do I do??!?!

[AJay2000]

Fifth hand in the tourney, no reads, don't know what to do after two cold callers behind. Any suggestions? I know I probably should have CB the flop just to test the waters, but, with such short stacks, I'm trying to conserve my chips:

Party Poker No-Limit Hold'em Tourney, Big Blind is t15 (10 handed) FTR converter on zerodivide.cx

Hero (t915)
MP2 (t1120)
MP3 (t1245)
CO (t1100)
Button (t975)
SB (t995)
BB (t950)
UTG (t1125)
UTG+1 (t885)
UTG+2 (t855)

Preflop: Hero is MP1 with Q[img]/images/graemlins/spade.gif[/img], Q[img]/images/graemlins/heart.gif[/img].
<font color="#666666">1 fold</font>, UTG+1 calls t15, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to t90</font>, <font color="#666666">1 fold</font>, MP3 calls t90, <font color="#666666">1 fold</font>, Button calls t90, SB calls t80, <font color="#666666">1 fold</font>, UTG+1 folds.

Flop: (t387.50) 4[img]/images/graemlins/spade.gif[/img], K[img]/images/graemlins/diamond.gif[/img], 4[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(4 players)</font>
SB checks, Hero checks, <font color="#CC3333">MP3 bets t150</font>, Button folds, SB folds, Hero folds.

Final Pot: t537.50