deep on a "20c 20c" table, no rake.

Hero 1500bb+
CO 150bb+ (nitty fish)
BTN 400bb+ (half decent fish)
SB 1500+ (tight ex reg, has hero covered)
BB 1500+ (tightish, newish player)

Hero open 5x A8dd, everyone calls.

Flop AsAc10c ($5)

BB check, Hero bet 40-50%, co fold, BTN call, SB call, BB fold.

Turn 5h

SB checks hero bet $10 like %60 pot, BTN folds and SB check raises to $40, Hero calls.

River Js

SB bets %40 or %50 pot, Hero call.