Villain is a 19/12 reg. C/r flop of 13% (17/133). 3bet versus BTN from BB is 11%.

Other villain is a fish.

Hero (BTN): $100.00
SB: $100.00
BB: $102.00
UTG: $50.75
UTG+1: $238.37
UTG+2: $102.04
MP: $177.82
MP+1: $14.44
CO: $79.64

SB posts SB $0.50, BB posts BB $1.00

Pre Flop: (pot: $1.50) Hero has 5 A

fold, fold, fold, fold, fold, CO calls $1.00, Hero raises to $4.00, fold, BB calls $3.00, CO calls $3.00

Flop: ($12.50, 3 players) 5 7 A
BB checks, CO checks, Hero bets $7.75, BB raises to $23.25, fold, Hero calls $15.50

Turn: ($59.00, 2 players) 3
BB bets $37.20