$200nl AA too passive?

[centgas]

Villain is 30/9.1/2/770hands

Party Poker, $1/$2 NL Hold'em Cash Game, 6 Players
LegoPoker Hand History Converter

CO: $141.20
Hero (BTN): $197
SB: $254.60
BB: $231.60
UTG: $322.20
MP: $199.03

Pre-Flop: A[img]/images/graemlins/club.gif[/img] A[img]/images/graemlins/diamond.gif[/img] dealt to Hero (BTN)
UTG folds, <font color="red">MP raises to $4</font>, CO folds, <font color="red">Hero raises to $15</font>, 2 folds, MP calls $11

Flop: ($33) Q[img]/images/graemlins/spade.gif[/img] T[img]/images/graemlins/spade.gif[/img] 8[img]/images/graemlins/club.gif[/img] (2 Players)
MP checks, <font color="red">Hero bets $25</font>, MP calls $25

Turn: ($83) 5[img]/images/graemlins/spade.gif[/img] (2 Players)
MP checks, Hero checks

River: ($83) 4[img]/images/graemlins/heart.gif[/img] (2 Players)
<font color="red">MP bets $120</font>, Hero folds

Results: $83 Pot
MP mucked and WON $200 (+$160 NET)