PokerStars No-Limit Hold'em, $0.50 BB (5 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

saw flop | saw showdown

Hero (SB) ($53.40)
BB ($97.90) 25/17/[2/2/4]/37/369h
UTG ($82.30)
MP ($72.15)
Button ($8.20)

Preflop: Hero is SB with 10, A
3 folds, Hero raises to $2, BB calls $1.50

Flop: ($4) 7, J, A (2 players)
Hero bets $2.50, BB calls $2.50

Turn: ($9) 2 (2 players)
Hero bets $6, BB calls $6

River: ($21) 10 (2 players)
Hero bets $10, BB raises to $30, Hero ?