$27s, KK with A on flop

[imsobroke]

Should I be checking these flops or betting out? WA/WB?

PokerStars No-Limit Hold'em Tourney, Big Blind is t20 (9 handed) by Hand Converter CG

MP2 (t1500)
MP3 (t1720)
CO (t1470)
Button (t1560)
SB (t1180)
BB (t1500)
UTG (t1570)
Hero (t1500)
MP1 (t1500)

Preflop: Hero is UTG+1 with K[img]/images/graemlins/diamond.gif[/img], K[img]/images/graemlins/heart.gif[/img].
<font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to t80</font>, <font color="#666666">4 folds</font>, Button calls t80, <font color="#666666">2 folds</font>.

Flop: (t190) 5[img]/images/graemlins/heart.gif[/img], Q[img]/images/graemlins/spade.gif[/img], A[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets t120</font>.