4/180 AKo early facing PF 3bet

[usha]

This is one of the first hands of a 4/180.
I've already seen people 3bet here early with 88+ or AJ+ and [censored], but I have no reads at all.

What do you do?
1. fold
2. call
3. push

if you call, what is your flop plan?

PokerStars No-Limit Hold'em Tourney, Big Blind is t20 (9 handed) Hand History converter Courtesy of PokerZion.com

CO (t1500)
Button (t1490)
SB (t1480)
BB (t1340)
UTG (t1480)
UTG+1 (t1480)
Hero (t1500)
MP2 (t1440)
MP3 (t1790)

Preflop: Hero is MP1 with A[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/spade.gif[/img].
<font color="#666666">2 folds</font>, <font color="#CC3333">Hero raises to t60</font>, <font color="#666666">3 folds</font>, <font color="#CC3333">Button raises to t300</font>, <font color="#666666">2 folds</font>, Hero ?