Folding my Ak on this flop?

[recallme]

Villain is good reg, who takes some weired but atleast me good alternative lines. I don`t know if he noticed that i was stacked in the last 90 secs twice by suckouts.


Poker Stars
No Limit Holdem Ring game
Blinds: $5/$10
6 players
Converter

Stack sizes:
UTG: $1281
UTG+1: $823.75
Hero: $975
Button: $348
SB: $2378.05
BB: $666.20

Pre-flop: (6 players) Hero is CO with K[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/spade.gif[/img]
2 folds, <font color="#cc0000">Hero raises to $35</font>, Button folds, SB calls, BB calls.

Flop: A[img]/images/graemlins/club.gif[/img] 9[img]/images/graemlins/heart.gif[/img] 3[img]/images/graemlins/spade.gif[/img] ($105, 3 players)
SB checks, BB checks, <font color="#cc0000">Hero bets $80</font>, <font color="#cc0000">SB raises to $220</font>, BB folds,

Is this sucha simple fold as it seems? If not how t0 proceed on turn?