Hi all ... did I make the right play here ... first time I've ever laid down AA. Villian had been at the table five hands and played all of them, so appeared loose but five hands wasnt much to go on.

PokerStars No-Limit Hold'em, $0.05 BB (9 handed) FTR converter on zerodivide.cx

CO ($3.60)
Button ($1)
SB ($6.34)
BB ($1.39)
UTG ($9.88)
UTG+1 ($6.37)
Hero ($4.97)
MP2 ($2)
MP3 ($8.37)

Preflop: Hero is MP1 with A, A.
UTG calls $0.05, 1 fold, Hero raises to $0.3, 1 fold, MP3 calls $0.30, 2 folds, SB calls $0.28, 1 fold, UTG calls $0.25.

Flop: ($1.25) 3, K, K (4 players)
SB checks, UTG checks, Hero bets $0.8, MP3 raises to $1.6, SB folds, UTG folds, Hero folds.

Final Pot: $3.65