25NL time to lay down AA?

[chanchuan]

Villain is 30/15ish over a small sample, nothing out of ordinary about him, it seems.

Full Tilt Poker - No Limit Hold'em Cash Game - $0.10/$0.25 Blinds - 4 Players - (LegoPoker HH Converter)

SB: $15.30
BB: $26.00
<font color="black">Hero (UTG): $26.00</font>
BTN: $23.80

<font color="black">Preflop:</font> Hero is dealt A[img]/images/graemlins/heart.gif[/img] A[img]/images/graemlins/diamond.gif[/img] (4 Players)
<font color="red">Hero raises to $1.00</font>, 2 folds, BB calls $0.75

<font color="black">Flop:</font> ($2.10) K[img]/images/graemlins/club.gif[/img] Q[img]/images/graemlins/club.gif[/img] 4[img]/images/graemlins/club.gif[/img] (2 Players)
BB checks, <font color="red">Hero bets $1.70</font>, <font color="red">BB raises to $3.40</font>, <font color="red">Hero raises to $9.00</font>, BB calls $5.60

<font color="black">Turn:</font> ($20.10) K[img]/images/graemlins/heart.gif[/img] (2 Players)
BB checks, Hero checks

<font color="black">River:</font> ($20.10) J[img]/images/graemlins/heart.gif[/img] (2 Players)
<font color="red">BB bets $9.00</font>, Hero...

What do you think about this line? Do you fold to the flop minraise, or is it too weak? When I saw the 2nd king on the turn I thought I should start thinking about getting out of here, now he bets the river, it looks like he wants value...