middle set 4bet pot

[acg123]

WPN No-Limit Hold'em, $0.25 BB (6 handed) - WPN Converter Tool from http://flopturnriver.com

Button ($29.52) VPIP: 15, PFR: 11, 3B: 3, AF: 0.9, Hands: 475
SB ($31.95) VPIP: 23, PFR: 17, 3B: 10, AF: 1.5, Hands: 213
Hero (BB) ($43.69)
UTG ($30.37) VPIP: 20, PFR: 16, 3B: 4, AF: 1.9, Hands: 1788
MP ($23.98) VPIP: 24, PFR: 13, 3B: 4, AF: 1.7, Hands: 213
CO ($25) VPIP: 19, PFR: 16, 3B: 4, AF: 2.6, Hands: 941

Preflop: Hero is BB with 8, 8
3 folds, Button raises $0.75, 1 fold, Hero raises $2, Button raises $4.50, Hero calls $3

Flop: ($10.60) K, 3, 8 (2 players)
Hero checks, Button checks

Turn: ($10.60) 4 (2 players)
Hero bets $7, Button raises $14, Hero raises $31.44 (All-In), Button calls $10.27 (All-In)

villain stats: 4B=28.6% , BTN steal = 31%, vs resteal = fold =60%, call = 0% , raise (4B) =50%,
flop cbet = 21%,