Villain unknown, is this standard?

Full Tilt No-Limit Hold'em, $0.25 BB (9 handed) - Full-Tilt Converter Tool from FlopTurnRiver.com

CO ($25)
Button ($22.59)
SB ($4.05)
BB ($31.61)
UTG ($12.85)
Hero (UTG+1) ($56.35)
MP1 ($18.28)
MP2 ($3.60)
MP3 ($5)

Preflop: Hero is UTG+1 with A, A
1 fold, Hero bets $1, MP1 calls $1, 6 folds

Flop: ($2.35) J, 6, 9 (2 players)
Hero bets $1.50, MP1 calls $1.50

Turn: ($5.35) K (2 players)
Hero bets $3, MP1 calls $3

River: ($11.35) 10 (2 players)
Hero checks, MP1 bets $12.78 (All-In), Hero folds

Total pot: $11.35 | Rake: $0.56