question on river bet (nl)

[Blink20 0]

PokerStars No-Limit Hold'em, $1.00 BB (6 handed) converterMP ($57.75)CO ($40.85)Button ($105.05)Hero ($182.45)BB ($78.40)UTG ($50.10)Preflop: Hero is SB with [8c], [Ac]. 1 fold, MP calls $1, CO calls $1, Button calls $1, Hero completes, BB checks.Flop: ($5) [Ad], [8d], [3c] (5 players)Hero bets $4, BB folds, MP folds, CO folds, Button calls $4.Turn: ($13) [Jc] (2 players)Hero bets $12, Button calls $12.River: ($37) [7h] (2 players)Hero bets $20, Button folds.Final Pot: $57I play agressive when I get hands at these tables, usually pot size bets most of the time. However, I don't get to the river often with a big hand such as this, so I usually don't have this situation come up much, when it does, I almost never betr the pot. I'll bet just like this, maybe 25, but do any of you think its best to pot it again?