AA reraised on turn NL25

[Wintergedaerm]

Full Tilt Poker - No Limit Hold'em Cash Game - $0.10/$0.25 Blinds - 6 Players - (LegoPoker HH Converter)

SB: $27.00
<font color="black">Hero (BB): $23.50</font>
UTG: $14.10
MP: $27.55
CO: $31.25
BTN: $27.95

<font color="black">Preflop:</font> Hero is dealt A[img]/images/graemlins/club.gif[/img] A[img]/images/graemlins/diamond.gif[/img] (6 Players)
UTG calls $0.25, MP folds, <font color="red">CO raises to $1.10</font>, 2 folds, <font color="red">Hero raises to $3.00</font>, UTG folds, CO calls $1.90

<font color="black">Flop:</font> ($6.35) Q[img]/images/graemlins/spade.gif[/img] 9[img]/images/graemlins/diamond.gif[/img] 5[img]/images/graemlins/heart.gif[/img] (2 Players)
<font color="red">Hero bets $4.25</font>, CO calls $4.25

<font color="black">Turn:</font> ($14.85) 6[img]/images/graemlins/heart.gif[/img] (2 Players)
<font color="red">Hero bets $10.00</font>, <font color="red">CO raises to $20.00</font>, Hero calls all-in for $6.25
Uncalled bet of $3.75 returned to CO

<font color="black">River:</font> ($47.35) T[img]/images/graemlins/heart.gif[/img] (2 Players - 1 All-In)

Pot Size: $47.35 ($2.35 Rake)

No reads on villain.
Is the turnbet okay? I guess folding to the raise is not an option.
After reading the handhistory again, i think i shouldve raised more preflop, to 4-4.5$.