KK facing donk bet -Ahigh flop..

[helgefyll]

4.40 on stars
PokerStars Tournament, Big Blind is t200 (8 handed) Converter on pregopoker.com

UTG (t3685)
Hero (t4300)
MP1 (t3970)
MP2 (t19360)
CO (t3540)
Button (t7459)
SB (t20940)
BB (t1970)

Preflop: Hero is in UTG+1 with K[img]/images/graemlins/diamond.gif[/img] K[img]/images/graemlins/spade.gif[/img]
<font color="gray">UTG folds</font>, <font color="red">Hero raises to t600</font>, <font color="gray">MP1 folds</font>, <font color="gray">MP2 folds</font>, <font color="gray">CO folds</font>, <font color="gray">Button folds</font>, SB calls t500, <font color="gray">BB folds</font>

Flop: (t1400) A[img]/images/graemlins/heart.gif[/img] Q[img]/images/graemlins/club.gif[/img] 9[img]/images/graemlins/diamond.gif[/img] (2 players)
<font color="red">SB bets t800</font>, <font color="gray">Hero ?