$50nl: Flopped top purrrrrrrrr in blind ward.....help please?

[ReNoRyan]

Villian is 36.11/21.30
He raised the button last orbit.

Poker Stars - No Limit Hold'em Cash Game - $0.25/$0.50 Blinds - 3 Players - (LegoPoker HH Converter)

Hero (SB): $92.95
BB: $57.15
BTN: $50.35

Preflop: Hero is dealt A[img]/images/graemlins/heart.gif[/img] J[img]/images/graemlins/diamond.gif[/img] (3 Players)
<font color="red">BTN raises to $1.75</font>, Hero calls $1.50, BB folds

Flop: ($4) 3[img]/images/graemlins/club.gif[/img] A[img]/images/graemlins/spade.gif[/img] 6[img]/images/graemlins/club.gif[/img] (2 Players)
<font color="red">Hero bets $2.50</font>, <font color="red">BTN raises to $7.50</font>, Hero ??

Is preflop ok, or do you like a raise? What do you do after his reraise?

[creamfillin]

3-bet PF
Since you donked into him, we don't know whether he is doing this with a hand or not. I would call and re-eval.