25 NL I have pocket Aces; I'm CR in multiway pot

[homeslice]

SB is main villian, he's played a few orbits with me, and I haven't seen him do anything crazy yet. He seems solid. This is the first time he's CR anyone... Can I call or shove, or should I fold?


PokerStars No-Limit Hold'em, $0.25 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Hero ($37.55)
Button ($8.05)
SB ($21.40)
BB ($30.20)
UTG ($26.90)
MP ($34.40)

Preflop: Hero is CO with A[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/club.gif[/img].
<font color="#666666">2 folds</font>, <font color="#CC3333">Hero raises to $1</font>, Button calls $1, SB calls $0.90, <font color="#666666">1 fold</font>.

Flop: ($3.25) 5[img]/images/graemlins/heart.gif[/img], 6[img]/images/graemlins/spade.gif[/img], K[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, <font color="#CC3333">Hero bets $2.50</font>, Button folds, <font color="#CC3333">SB raises to $7.50</font>, Hero ???