PP 33s - Still don't know how to play AK

[loveinvain]

PartyPoker $33 Speed Tournament, Big Blind is t60 (9 handed) Converter on pregopoker.com

UTG (t1702)
UTG+1 (t683)
MP1 (t3685)
MP2 (t1910)
MP3 (t2420)
CO (t1675)
Button (t2380)
Hero (t1880)
BB (t3665)

Preflop: Hero is in SB with K[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/diamond.gif[/img]
UTG calls t60, <font color="gray">UTG+1 folds</font>, MP1 calls t60, <font color="gray">MP2 folds</font>, <font color="gray">MP3 folds</font>, <font color="red">CO raises to t220</font>, <font color="gray">Button folds</font>, Hero calls t190, <font color="gray">BB folds</font>, UTG calls t160, <font color="gray">MP1 folds</font>

Flop: (t780) J[img]/images/graemlins/club.gif[/img] Q[img]/images/graemlins/club.gif[/img] K[img]/images/graemlins/diamond.gif[/img] (3 players)
Hero checks, UTG checks, <font color="red">CO bets t360</font>

HERO?