My table is image is tight slightly passive. Villain tries to limp
many hands has caught bluffing couple of times.

Hero is SB with 55.

Villain limps 1$ UTG
3 other limpers too.

Hero tries to steal betting 7$
UTG calls 7$
others fold.

Flop
7h , 7c, 2d

Hero believes his 55 is good here.

Hero Bets 8$
Villain calls 8$

Turn

8s

Hero considers 8s blank here.

Hero bets 14$
Villain calls 14$

River

7s

Hero checks
Villain bets 25$

Hero?