EP - KK First Hand - How would you play?

[KCheng]

First hand in a NL $5 Party tournament. No reads at all, first hand I get dealt KK in EP. What would you do in my situation?

NL $5 Single Table Tournament - Party Poker 15/30 (10 handed)
FIRST HAND - EVERYONE HAS 800 CHIPS
KCheng has Kh, Ks and is EP1

KCheng raises to 141, Button folds, SB folds, BB calls

Flop(19 7/15 SB): 4c, Qc, Ac

BB bets 225, KCheng folds

Thanks for your help guys!