This is even more awful, help plz

[GLmaestro]

Villain in this hand is a 44/37 very aggressive raising all the time, calling 3 bets PF with 67off and stuff like that.

Full Tilt Poker
No Limit Holdem Ring game
Blinds: $2/$4
5 players
Converter

Stack sizes:
UTG: $246
CO: $909.40
Button: $362
SB: $116.20
Hero: $733

Pre-flop: (5 players) Hero is BB with J[img]/images/graemlins/spade.gif[/img] 9[img]/images/graemlins/spade.gif[/img]
2 folds, <font color="#cc0000">Button raises to $14</font>, SB folds, <font color="#cc0000">Hero raises to $44</font>, <font color="#cc0000">Button raises to $85</font>, Hero calls.

Flop: 4[img]/images/graemlins/spade.gif[/img] 3[img]/images/graemlins/spade.gif[/img] 4[img]/images/graemlins/diamond.gif[/img] ($172, 2 players)
Hero checks, <font color="#cc0000">Button bets $84</font>


PF is kinda gross, but I don't know what to do, is this a 100% fold?

Help me with the turn. Is the check, and how do I proceed?

Thanks