Did I do right PreFlop??

[juggla]

Would you lay this hand down???

I had good position with AKo.

Had one call my raise but BB Jacked it all in. From the 30 hands I have seen he is Loose-Aggressive/Passive.

I figure at best I'm a coin flip.
At worst I am a big dog.
Party Poker No-Limit Hold'em, $ BB (10 handed) converter

BB ($21.09)
UTG ($12.55)
UTG+1 ($29.65)
UTG+2 ($21.75)
MP1 ($13.75)
MP2 ($51.55)
MP3 ($16.45)
Hero ($24.65)
Button ($24.65)
SB ($6.36)

Preflop: Hero is CO with K[img]/images/graemlins/diamond.gif[/img], A[img]/images/graemlins/club.gif[/img]. SB posts a blind of $0.10.
<font color="#666666">4 folds</font>, MP2 calls $0.25, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to $1</font>, <font color="#666666">1 fold</font>, SB (poster) calls $0.90, BB calls $20.84 (All-In), MP2 folds, Hero folds, SB folds.

Final Pot: $23.34

This is the 2nd similar situation that has come up this week. Do these type of players pop it with AA or KK???