Board pairs, now what

[GutPunch]

15,000 50+5 empire MTT

Party Poker No-Limit Hold'em Tourney, Big Blind is t50 (10 handed) converter

MP2 (t1535)
MP3 (t2425)
CO (t3215)
Button (t2915)
SB (t905)
BB (t3695)
UTG (t3520)
UTG+1 (t2455)
Hero (t2415)
MP1 (t1495)

Preflop: Hero is UTG+2 with K[img]/images/graemlins/club.gif[/img], K[img]/images/graemlins/diamond.gif[/img].
UTG calls t50, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to t275</font>, <font color="#666666">4 folds</font>, Button calls t275, <font color="#666666">2 folds</font>, UTG calls t225.

Flop: (t900) J[img]/images/graemlins/club.gif[/img], 3[img]/images/graemlins/heart.gif[/img], 3[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
UTG checks, <font color="#CC3333">Hero bets t425</font>, Button calls t425, UTG calls t425.

Turn: (t2175) J[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font> UTG checks, Hero bets 700, btn folds, UTG raises to 1000, Hero???


can I even possibly think about folding this??