Poker Stars, $0.02/$0.05 No Limit Hold'em Cash, 6 Players
Poker Tools Powered By Holdem Manager - The Ultimate Poker Software Suite.

SB: $4.75 (95 bb)
Hero (BB): $9.34 (186.8 bb)
UTG: $5.06 (101.2 bb)
MP: $4.53 (90.6 bb)
CO: $4.07 (81.4 bb)
BTN: $4.58 (91.6 bb)

Preflop: Hero is BB with Ac As
UTG raises to $0.17, 4 folds, Hero raises to $0.53, UTG calls $0.36

Flop: ($1.08) 7d 2d 4c (2 players)
Hero bets $0.55, UTG calls $0.55

Turn: ($2.18) 9d (2 players)
Hero bets $1.35, UTG calls $1.35

River: ($4.88) Th (2 players)
Hero bets $2.80, UTG calls $2.63

Villain 43/31 fold3b 38 123 hands
I'm not sure about this spot. I think I should bigger on flop. But can I bet river here for value?