The CO is a fish playing 40/20. SB is a fish playing 50/15. The BB is a reg playing 25/18 over 400 hands. I wouldn't normally 3bet this hand, but chose to isolate the fish and prevent the reg squeezing who appears to be on the squeeze happy side. I only need to be good 25% of the time and the reg rep's very few combos but is the reg ever bluffing here with such a whale still in the pot?

Prima, $5/$10 No Limit Hold'em Cash, 6 Players
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SB: $1,546.60 (154.7 bb)
BB: $1,410 (141 bb)
UTG: $1,545.12 (154.5 bb)
MP: $1,000 (100 bb)
CO: $1,258.88 (125.9 bb)
Hero (BTN): $1,812 (181.2 bb)

Preflop: Hero is BTN with J:diamond: T:heart:
2 folds, CO raises to $25, Hero raises to $75, SB calls $70, BB calls $65, CO calls $50

Flop: ($300) K:diamond: 3:club: A:club: (4 players)
SB checks, BB checks, CO checks, Hero checks

Turn: ($300) Q:diamond: (4 players)
SB bets $75, BB calls $75, CO folds,Hero raises to $450, SB calls $375, BB calls $375

River: ($1,650) 2:diamond: (3 players)
SB checks, BB bets $885 and is all-in, Hero calls???


(sorry about the state of the HH, I can't seem to get it to work)