Villain is unknown, anything I could have done differently here?

PokerStars No-Limit Hold'em, $0.10 BB (8 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver Cards)

MP1 ($12.20)
MP2 ($6.80)
CO ($19.30)
Button ($9.45)
SB ($9.75)
BB ($10.60)
Hero ($16.40)
UTG+1 ($10.10)

Preflop: Hero is UTG with , .
Hero raises to $0.4, 6 folds, BB calls $0.30.

Flop: ($0.85) , , (2 players)
BB bets $0.5, Hero raises to $2, BB raises to $3.5, Hero folds.

Final Pot: $6.35