Party Poker No-Limit Hold'em Tourney, Big Blind is t15 (9 handed) internettexasholdem.com

UTG+1 (t800)
MP1 (t970)
Hero (t770)
MP3 (t1500)
CO (t675)
Button (t900)
SB (t670)
BB (t915)
UTG (t800)

Preflop: Hero is MP2 with K[img]/images/graemlins/spade.gif[/img], A[img]/images/graemlins/club.gif[/img].
<font color="#666666">1 fold</font>, UTG+1 calls t15, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to t60</font>, MP3 calls t60, CO calls t60, <font color="#666666">3 folds</font>, UTG+1 folds.

Flop: (t217.50) K[img]/images/graemlins/diamond.gif[/img], 7[img]/images/graemlins/diamond.gif[/img], 8[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets t220</font>, <font color="#CC3333">MP3 raises to t440</font>, CO calls [t615] , Hero ????



I lead the flop with a pot-sized bet, and two people re-raise behind me. Should I assume at least one of them has me beat, and fold?

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