PokerStars No-Limit Hold'em, $0.50 BB (6 handed) FTR converter on zerodivide.cx

Hero ($79.65)
BB ($23.60)
UTG ($53.45)
MP ($10.35)
CO ($56.15)
Button ($24.55)

Preflop: Hero is SB with A, 8.
UTG raises to $2, 2 folds, Button calls $2, Hero calls $1.75, 1 fold.

Flop: ($6.50) 4, 8, 2 (3 players)
Hero checks, UTG bets $4, Button folds, Hero calls $4.

Turn: ($14.50) 9 (2 players)
Hero checks, UTG checks.

River: ($14.50) K (2 players)
Hero bets $12, UTG raises to $24, Hero raises to $73.65, UTG calls $23.45 (All-In).

Final Pot: $135.60

Results in white below:
Hero has Ac 8c (flush, ace high).
UTG has 9h 9d (three of a kind, nines).
Outcome: Hero wins $135.60.

Here was the chat on the river.

IOS: bets $12
BigPoppaJoe: raises $12 to $24
IOS said, "dammit"
BigPoppaJoe said, ""
IOS said, "did you slowplay a set?"
BigPoppaJoe said, "no"
IOS said, "i don't think you have it"
IOS: raises $49.65 to $73.65 and is all-in
BigPoppaJoe: calls $23.45 and is all-in
BigPoppaJoe said, "have to"
*** SHOW DOWN ***
IOS: shows [Ac 8c] (a flush, Ace high)
BigPoppaJoe: mucks hand
IOS collected $106.40 from pot
BigPoppaJoe said, "thought so"
BigPoppaJoe said, "nh"
IOS said, "ty"