NL50 SH, AA auf drawheavy Board

[StyloAl]

Party Poker
No Limit Holdem Ring game
Blinds: $0.25/$0.50
5 players
Converter

Stack sizes:
UTG: $67.46
CO: $50.93
Button: $48.75
Hero: $48.06
BB: $51.55

Pre-flop: (5 players) Hero is SB with :as :ah
UTG folds, CO calls, Button folds, Hero raises to $2.5, BB calls, CO folds.

Flop: :5s :3s :2d ($5.5, 2 players)
Hero bets $3.5, BB calls.

Turn: :tc ($12.5, 2 players)
Hero bets $8.5, BB calls.

River: :9d ($29.5, 2 players)
[color=#cc0000]Hero ?


Villain ist nach 99 Händen 25.20/20/2.55/23 WTS

Ist meine Bet size hier ok? Wie spiele ich den River? Bet? Check/call? Wenn Bet, wieviel?