Stars 77 6 max semi bluff called and rivered nuts

[CoolWave]

I nailed the perfect river.. want to know a good bet to get payed off and the most possible money. any way to stack this guy
PokerStars Game #13474026635: Tournament #68180061, $70+$7 Hold'em No Limit - Level II (15/30) - 2007/11/26 - 00:16:35 (ET)
Table '68180061 25' 6-max Seat #3 is the button
Seat 1: MAD WORD (2340 in chips)
Seat 2: Dr.MZ (3030 in chips)
Seat 3: BrandanZ (2995 in chips)
Seat 4: UMcane (3965 in chips)
Seat 5: beavnug (2440 in chips)
Seat 6: TonyY (3230 in chips)
UMcane: posts small blind 15
beavnug: posts big blind 30
*** HOLE CARDS ***
Dealt to BrandanZ [Ac Qh]
TonyY: raises 30 to 60
MAD WORD: folds
Dr.MZ: folds
BrandanZ: calls 60
UMcane: folds
beavnug: folds
*** FLOP *** [2s 3c Th]
TonyY: bets 120
BrandanZ: calls 120
*** TURN *** [2s 3c Th] [Kd]
TonyY: bets 180
BrandanZ: raises 320 to 500
TonyY: calls 320
*** RIVER *** [2s 3c Th Kd] [Jc]
TonyY: checks
BrandanZ: bets ???