Okay, I'm pretty new to the whole poker thing. I'm fairly sure I played this hand badly. So any and all help is welcome, any pointers as to where I went wrong would be much appreciated

Party Poker No-Limit Hold'em, $0.10 BB (10 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

MP1 ($1.85)
MP2 ($2)
MP3 ($1.65)
CO (Villian)/ ($8.75)
Button ($7.86)
Hero ($9.89)
BB ($7.87)
UTG ($4.27)
UTG+1 ($2)
UTG+2 ($5.97)

Preflop: Hero is SB with A, A.
6 folds, CO (Villian)/ raises to $0.4, 1 fold, Hero raises to $0.8, 1 fold, CO(Villian)/ calls $0.40.

Flop: ($1.70) 7, J, A (2 players)
Hero bets $1, Villian raises to $2, Hero raises to $3, Villian calls $1.

Turn: ($7.70) J (2 players)
Hero checks, Villian checks.

River: ($7.70) 5 (2 players)
Hero bets $2, Villian calls $8.75 (All-In), Hero calls $2.95.

Final Pot: $21.40