Pokerstars 5+50 rebuy, and faced with an all in with AKs.

[pistol78]

No real read on Villain here. Just got moved to the table a few hands ago. What Should I do?
Fold? Call? Go Allin?


PokerStars Hold'em No Limit - Level XI (600/1200) (75 Ante)



Big Blind= Villain(114412 in chips)
UTG= Hero (22335 in chips)





Hero: AcKc raises 2400 to 3600
Villain: raises 14400 to 18000

Hero: Does What???


Edited To show that 225 players left, 99 make the money, Average stack about 30K.