100NL Rivered Gutterball.

[aka_red]

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PokerStars No-Limit Hold'em, $1.00 BB (8 handed) Poker-Stars Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

CO ($114.40)
Hero ($193)
SB ($94.25)
BB ($99)
UTG ($87.50)
UTG+1 ($132.65)
MP1 ($105.15)
MP2 ($18.50)

Preflop: Hero is Button with 9, K.
5 folds, Hero raises to $4, 1 fold, BB calls $3.

Flop: ($8.50) 8, 5, 6 (2 players)
BB bets $4, Hero raises to $12, BB calls $8.

Turn: ($32.50) A (2 players)
BB checks, Hero bets $16, BB calls $16.

River: ($64.50) 7 (2 players)
BB bets $6, Hero ?

[d0zer]

I half-pot river & fold to a push.

[jimmy44]

I half-pot river & fold to a push.

[Erpel]

I'm a beginner and...

Villain range:
Flushes: AdQd, AdJd, AdTd
Straights: 99
Sets: 55, 66, 88

The half-pot lead on the flop could easily be a set imo.

I read the weak river lead as strength - but not necessarily as flush.
Hero from the button with the half-pot turn bet may very well be playing a semi-wide range including a number of possible flush hands.
If Hero raises the river, Villain with a set will.. fold? Maybe. Maybe not. He'll only fold if he thinks Hero's range is mainly made up of flush hands. I don't think he'll come to that conclusion. I think he'll put some AK type hands in Hero's range, and AA-88 maybe also, as well as A8s - hands with some showdown value but which can represent the flush for fold equity.

If we assume sets will fold and flushes push if we raise then raise/fold may be correct, but I think we get re-raised by some/most sets also, and then the uncomfortable raise/call option can be considered.

I think call is +EV already though, and would be tempted to just call. In the case of sets folding to a raise we'd win the same $70.5 pot regardless if we call or raise.