25 NL - AA + NFD, pressure on turn

[Shattered]

Poker Stars - No Limit Hold'em Cash Game - $0.10/$0.25 Blinds - 6 Players - (LegoPoker Hand History Converter)

SB: $25.10
BB: $85.70
UTG: $15.80
Hero (MP): $25.45
CO: $18.45
BTN: $47.30

Preflop: Hero is dealt A[img]/images/graemlins/heart.gif[/img] A[img]/images/graemlins/diamond.gif[/img] (6 Players)
UTG folds, <font color="red">Hero raises to $1.00</font>, CO folds, BTN calls $1.00, 2 folds

Flop: ($2.35) 2[img]/images/graemlins/diamond.gif[/img] Q[img]/images/graemlins/diamond.gif[/img] 9[img]/images/graemlins/diamond.gif[/img] (2 Players)
<font color="red">Hero bets $1.75</font>, BTN calls $1.75

Turn: ($5.85) T[img]/images/graemlins/spade.gif[/img] (2 Players)
<font color="red">Hero bets $4.50</font>, <font color="red">BTN raises to $18.25</font>, Hero ????

Villain is playing rather tight, passive, and predictable poker and I haven't seen him get it in without the goods over at least a hundred hands. This is the second time this has happened to me today and I'm really bad at making these decisions. Easy fold?
Is this a fold readless?