QQ, A on flop, villain fire turn and river

Villain is 13/5 over 250 hands.

No Limit Holdem Tournament
9 Players
Hand Conversion Powered by weaktight.com
$15+$1

Stacks:
UTG (1,215)
UTG+1 (1,780)
MP1 (1,470)
MP2 (1,470)
Hero (1,245)
CO (1,730)
BTN (1,630)
SB (1,460)
BB (1,500)

Blinds: 15/30

Pre-Flop: (45, 9 players) Hero is MP3 Q:spade: Q:club:
1 fold, UTG+1 calls 30, 1 fold, MP2 calls 30, Hero raises to 150, 4 folds, UTG+1 folds, MP2 calls 120

Flop: 9:spade: A:diamond: 8:diamond: (375, 2 players)
MP2 checks, Hero checks

Turn: 6:heart: (375, 2 players)
MP2 bets 250, Hero calls 250

River: 7:heart: (875, 2 players)
MP2 bets 720, Hero ????

I like the way you played this on all streets, now fold the river. I just can't see a player with those sorts of stats firing a large second barrel without a hand that beats you.