I open 72o UTG get 3bet by tiltboy and call down my bottom pair.

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Small site

20/40 10 handed

Table has a few tight players I haven't seen much from over 40+ hands since I sat down. Villain in this hand is on major tilt. Bluff raised me on my river lead earlier with T4o UI after decent action each earlier street. 3-bets light and caps lighter. Maybe 40/30/2 ? Couple other mediocre players, not really much to worry about. I called him down earlier with J high after I missed a flush draw and lost. We've been in a few pots and I've won maybe 3/4 of them but he doesnt stop betting.

I pick up black 72 UTG and open.

Tiltboy 3 seats behind me 3-bets.
SB who just sat down a couple hands ago and posted UTG+1 cold-calls two and a half.
I call.

Flop: 3 2 T r (1 heart)

SB checks, I bet, tiltboy raises(as expected), SB calls and I start getting a sinking feeling.

Turn: K h

check, check, Tiltboy bets, SB folds, I call.

River: 4 s

check, Tiltboy bets, I call.