[100nl Full Tilt] 2 hands, without a solid read on villain

[hellmuth88]

I have a aggressive image (24/22/10, small sample size)villain is 25/20/3, unfortunate i really dont have any reads on him......... should i bluf this turn? And how
check raise? bet? or shove?

Full Tilt Poker - No Limit Hold'em Cash Game - $0.50/$1 Blinds - 5 Players - (LegoPoker HH Converter)

SB: $226.45
Hero (BB): $111.15
UTG: $101.50
CO: $96.45
BTN: $103.90

Preflop: Hero is dealt A[img]/images/graemlins/spade.gif[/img] K[img]/images/graemlins/spade.gif[/img] (5 Players)
<font color="red">UTG raises to $3.50</font>, CO calls $3.50, 2 folds, <font color="red">Hero raises to $17.00</font>, UTG calls $13.50, CO folds

Flop: ($38) 8[img]/images/graemlins/diamond.gif[/img] 5[img]/images/graemlins/club.gif[/img] 9[img]/images/graemlins/club.gif[/img] (2 Players)
<font color="red">Hero bets $25.00</font>, UTG calls $25.00

Turn: ($88) Q[img]/images/graemlins/heart.gif[/img] (2 Players)
<font color="red">Hero thinks about a bluf</font>



Villain is super aggro , plays a 24/22/6 style, again no particular reads, only the pahud stats (i should work on that, i probably play too many tables)
how to proceed?

Full Tilt Poker - No Limit Hold'em Cash Game - $0.50/$1 Blinds - 6 Players - (LegoPoker HH Converter)

SB: $36.50
BB: $62.35
UTG: $149.45
MP: $100.00
CO: $95.50
Hero (BTN): $109.40

Preflop: Hero is dealt A[img]/images/graemlins/diamond.gif[/img] Q[img]/images/graemlins/club.gif[/img] (6 Players)
UTG folds, <font color="red">MP raises to $3.50</font>, CO calls $3.50, <font color="red">Hero raises to $17.00</font>, 2 folds, <font color="red">MP raises to $42.00</font>, CO folds, <font color="red">Hero folds or shoves????????</font>