[Nl100] AA facing river push

[Gesangsverein]

Villain is involved in a lot of pots and generally aggressive.

Anyone how calls here /plays the hand differntly or is able to help me putting him on a range ?

Poker Stars, $0.50/$1 NL Hold'em Cash Game, 6 Players
LeggoPoker.com - Hand History Converter

BB: $84.50
UTG: $27.35
Hero (MP): $101.50
CO: $135.95
BTN: $94.15
SB: $99

Pre-Flop: A[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/club.gif[/img] dealt to Hero (MP)
UTG folds, <font color="red">Hero raises to $4</font>, CO calls $4, 3 folds

Flop: ($9.50) 3[img]/images/graemlins/diamond.gif[/img] J[img]/images/graemlins/club.gif[/img] 4[img]/images/graemlins/diamond.gif[/img] (2 Players)
<font color="red">Hero bets $7</font>, CO calls $7

Turn: ($23.50) 9[img]/images/graemlins/club.gif[/img] (2 Players)
<font color="red">Hero bets $17</font>, CO calls $17

River: ($57.50) T[img]/images/graemlins/club.gif[/img] (2 Players)
Hero checks, <font color="red">CO bets $107.95 and is All-In</font>, Hero ?????

thanks!