NL10 - QQ flopped monster

[Chxdgt]

Villain is 66/21/0.8 after about ~50 hands. Obviously he's running hot... his WTS/WAS is about 40%/75%.

Poker Stars, $0.05/$0.10 NL Hold'em Cash Game, 6 Players
LegoPoker Hand History Converter

MP: $3.90
CO: $5
BTN: $34.70
SB: $9.40
Hero (BB): $9.90
UTG: $1.45

Pre-Flop: Q Q dealt to Hero (BB)
UTG folds, MP calls $0.10, CO folds, <font color="red">BTN raises to $0.40</font>, SB folds, Hero calls $0.30, MP calls $0.30

Flop: ($1.25) 2[img]/images/graemlins/spade.gif[/img] Q[img]/images/graemlins/heart.gif[/img] 6[img]/images/graemlins/heart.gif[/img] (3 Players)
<font color="red">Hero bets $1</font>, MP folds, BTN calls $1

Turn: ($3.25) T (2 Players)
<font color="red">Hero bets ??</font>

Is it better to bet small here... say around $1.50 to $2 to try to trap, or should I just keep firing? The board is pretty dry, but there is a heart-draw out... should I be concerned about protecting my hand here?