Villain's a reg, playing 45/29 in this three-handed game so far. No big showdown history between us yet.
Seems like such a good spot to turn a T8 or KT into a bluff on this river, although we can probably discount some KT since many of them would shove turn (feel free to challenge me on this assumption tho). How do we go about analyzing this spot?

BU: $3,230.02 (162 bb)
SB (Hero): $4,083.54 (204 bb)
BB: $2,158.46 (108 bb)

Pre-Flop: ($30) Hero is SB with K♦ 9♠ T♠ 3♦
BTN raises to $60, Hero calls $50, 1 fold

Flop: ($140) Q♠ 9♣ 2♠ (2 players)
Hero checks, BTN bets $80, Hero calls $80

Turn: ($300) J♥ (2 players)
Hero checks, BTN bets $280, Hero raises to $1,140, BTN calls $860

River: ($2,580) 2♦ (2 players)
Hero checks, BTN bets $1,950.02 (all-in), Hero ...