PokerStars No-Limit Hold'em, $0.02 BB (8 handed) FTR converter on zerodivide.cx

Hero ($4.97)
UTG+1 ($2.41)
MP1 ($2.13)
MP2 ($1.92)
CO ($2.30)
Button ($3.09)
SB ($4.89)
BB ($2.53)

Preflop: Hero is UTG with T, T.
Hero raises to $0.12, UTG+1 calls $0.12, 5 folds, BB calls $0.10.

Flop: ($0.37) 5, 7, 9 (3 players)
BB checks, Hero bets $0.2, UTG+1 folds, BB calls $0.20.

Turn: ($0.77) A (2 players)
BB checks, Hero checks.

River: ($0.77) A (2 players)
BB bets $1, Hero folds.

Final Pot: $1.77

Did i make the right fold here? First hand at the table that i played so no reads. It looked a little like a bluff to me but an ace is the sort of card people at these stakes will call with especially if they think it is a continuation bet.