Thoughts?

Villain is a 15/12/3 regular with a 32% ATS , 63% flop cbet, 50% turn cbet.

We haven't really tangled much, he's 4bet shoved into a squeeze of mine once but nothing noteable postflop...

PokerStars No-Limit Hold'em, $0.50 BB (9 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

CO ($38.10)
Button ($50)
Hero (SB) ($55.25)
BB ($100)
UTG ($53.50)
UTG+1 ($73.70)
MP1 ($51.30)
MP2 ($23.25)
MP3 ($43)

Preflop: Hero is SB with 9, 9
1 fold, UTG+1 bets $2, 5 folds, Hero calls $1.75, 1 fold

Flop: ($4.50) 5, A, 9 (2 players)
Hero checks, UTG+1 bets $3, Hero calls $3

Turn: ($10.50) A (2 players)
Hero checks, UTG+1 bets $5.75, Hero calls $5.75

River: ($22) 8 (2 players)
Hero checks