NL50: OP gegen donkbet von Übernit

[M.P.Rator]

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

Button ($51.75)
SB ($47.75)
BB ($8 )
UTG ($16.35)
Hero (MP) ($51.30)

Preflop: Hero is MP with :9d, :9h
1 fold, Hero bets $2, Button calls $2, SB calls $1.75, BB calls $1.50

Flop: ($8 ) :4d, :3s, :8c (4 players)
SB bets $4, 1 fold, Hero calls $4, 1 fold

Turn: ($16) :ac (2 players)
SB bets $7, Hero calls $7

River: ($30) :3c (2 players)
SB checks, Hero checks

Total pot: $30

villain: 8/7/12, 100 hände

wie spielt man denn diese hand gegen diesen gegner?
angenommen villain wäre standard TAG - raise flop?