I thought about 2pair or tp as i I see him stick to anything and bluff as hell. villain was 50/20 massive whale after 150 hands.

PokerStars - $0.10 NL (9 max) - Holdem - 9 players
Hand converted by PokerTracker 3

BTN: $9.11
SB: $31.41
BB: $25.00
UTG: $19.04
UTG+1: $12.01
Hero (MP): $21.19
MP+1: $14.38
LP: $21.47
CO: $31.43

SB posts SB $0.05, BB posts BB $0.10, BTN posts ante $0.02, SB posts ante $0.02, BB posts ante $0.02, UTG posts ante $0.02, UTG+1 posts ante $0.02, Hero posts ante $0.02, MP+1 posts ante $0.02, LP posts ante $0.02, CO posts ante $0.02

Pre Flop: ($0.33) Hero has 2 2

UTG calls $0.10, UTG+1 calls $0.10, Hero calls $0.10, fold, LP calls $0.10, CO calls $0.10, fold, SB calls $0.05, BB checks

Flop: ($0.88, 7 players) 2 8 J
SB checks, BB checks, UTG checks, UTG+1 checks, Hero bets $0.70, LP calls $0.70, CO calls $0.70, fold, fold, fold, fold

Turn: ($2.98, 3 players) 9
Hero bets $2.80, fold, CO calls $2.80

River: ($8.58, 2 players) 7
Hero bets $3.00, CO raises to $8.95, Hero calls $5.95

I think it is river c/f there?

b/f river seems fine he should call a bunch of two pairs

yeah, b/f river is best
i like your sizing

this is good

looks good but don't call the river raise, it is very unlikely he raises with worse