bet this turn on scary board? 50 nl

[Igloo9]

villain is 12/7/1.4 over 70 hands. what is my line on turn against this tight player?

Full Tilt Poker, $0.25/$0.50 NL Hold'em Cash Game, 5 Players
LeggoPoker Hand History Converter

BB: $50
UTG: $50.30
CO: $51.15
BTN: $75.30
Hero (SB): $50.70

Pre-Flop: Q[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/heart.gif[/img] dealt to Hero (SB)
2 folds, <font color="red">BTN raises to $1.75</font>, <font color="red">Hero raises to $6</font>, BB folds, BTN calls $4.25

Flop: ($12.50) 8[img]/images/graemlins/diamond.gif[/img] T[img]/images/graemlins/spade.gif[/img] K[img]/images/graemlins/club.gif[/img] (2 Players)
<font color="red">Hero bets $8</font>, BTN calls $8

Turn: ($28.50) Q[img]/images/graemlins/heart.gif[/img] (2 Players)

[Profish2285]

I bet slightly less on flop, but thats just me. I am giving up on the turn.