($33) KK, I raise UTG, call-fest then scary flop - plan??

[FF_Woodycooks]

Full Tilt Poker No-Limit Hold'em Tourney, Big Blind is t60 (8 handed) Hand History converter Courtesy of PokerZion.com

MP1 (t1485)
MP2 (t3655)
CO (t1615)
Button (t970)
SB (t1555)
BB (t1410)
Hero (t1440)
UTG+1 (t1370)

Preflop: Hero is UTG with K[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/spade.gif[/img].
<font color="#CC3333">Hero raises to t200</font>, <font color="#666666">2 folds</font>, MP2 calls t200, <font color="#666666">1 fold</font>, Button calls t200, <font color="#666666">1 fold</font>, BB calls t140.

Flop: (t830) J[img]/images/graemlins/spade.gif[/img], Q[img]/images/graemlins/heart.gif[/img], T[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(4 players)</font>
BB checks, <font color="#CC3333">Hero bets t510</font>, MP2 folds, Button folds, BB calls t510.

Turn: (t1850) 5[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
BB checks, <font color="#CC3333">Hero ??


Thoughts on flop action and turn plan?