No reads, new table, didn't have time to check OPR stats of opponent. Thoughts? Snap it? or?

Also how do u feel with bet-sizing?

 Full Tilt Poker $8 $0.80 No Limit Hold'em Tournament – t60/t120 Blinds – 8 players
TournamentPokerEdge.com Hand History Converter

wattagoose (BTN): t3375 28.12 BBs
SnowRider720 (SB): t2315 19.29 BBs
TILTLESSish (BB): t2221 18.51 BBs
Antonz87 (UTG): t6026 50.22 BBs
DagDrollet (UTG+1): t3647 30.39 BBs
negro387 (MP1): t15604 130.03 BBs
Rambas (MP2): t1880 15.67 BBs
Pharcyde619 (CO): t4300 35.83 BBs

Pre Flop: (t180) Antonz87 is UTG with K A
Antonz87 raises to t300, 4 folds, wattagoose calls t300, 2 folds

Flop: (t780) 6 9 A (2 players)
Antonz87 bets t315, wattagoose calls t315

Turn: (t1410) 4 (2 players)
Antonz87 bets t700, wattagoose raises to t2760 all in, Antonz87 calls t2060

River: (t6930) 7 (2 players – 1 is all in)

Final Pot: t6930
wattagoose shows J A (a pair of Aces)
Antonz87 shows K A (a pair of Aces)
Antonz87 wins t6930