22/7 over 128 hands

How could I have played this hand better? Should I have barreled the turn?

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PokerStars No-Limit Hold'em, $0.05 BB (6 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

UTG ($19.18)
MP ($10.33)
CO ($9.88)
Hero (Button) ($5.13)
SB ($9.21)
BB ($5)

Preflop: Hero is Button with 7, 8
3 folds, Hero raises to $0.20, SB calls $0.18, 1 fold

Flop: ($0.45) 9, 4, A (2 players)
SB bets $0.25, Hero raises to $0.70, SB calls $0.45

Turn: ($1.85) 10 (2 players)
SB checks, Hero bets $1.50, SB calls $1.50

River: ($4.85) 3 (2 players)
SB bets $6.81 (All-In), Hero folds

Total pot: $4.85 | Rake: $0.20