25nl AA facing donkbet on the turn

[rothko]

no numbers, no reads.

what am i supposed to do here? villain is weak? strong? do i raise and fold to a reraise?

PokerStars No-Limit Hold'em, $0.25 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

BB ($6.55)
UTG ($12.35)
MP ($28.30)
Hero ($24.30)
Button ($31)
SB ($54.95)

Preflop: Hero is CO with A[img]/images/graemlins/club.gif[/img], A[img]/images/graemlins/spade.gif[/img].
UTG calls $0.25, MP calls $0.25, <font color="#CC3333">Hero raises to $1.5</font>, <font color="#666666">3 folds</font>, UTG folds, MP calls $1.25.

Flop: ($3.60) 6[img]/images/graemlins/diamond.gif[/img], 7[img]/images/graemlins/heart.gif[/img], 4[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">MP bets $0.25</font>, <font color="#CC3333">Hero raises to $3</font>, MP calls $2.75.

Turn: ($9.60) K[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">MP bets $1</font>, Hero?