Villain is a reg. He is 28/23 over 200 hands.

I'm not sure whether I should jam the turn or whether I should value bet the river.

Poker Stars, $1/$2 No Limit Hold'em Cash, 6 Players

Poker Tools Powered By Holdem Manager - The Ultimate Poker Software Suite. 

Hero (BTN): $317.01 (158.5 bb)

SB: $476.34 (238.2 bb)

BB: $321.92 (161 bb)

UTG: $228.74 (114.4 bb)

MP: $254.20 (127.1 bb)

CO: $188.42 (94.2 bb)

Preflop: Hero is BTN with 8c 8d

UTG folds, MP raises to $6, CO folds, Hero calls $6, SB folds, BB calls $4

Flop: ($19) 8h 3s Th (3 players)

BB checks, MP checks, Hero bets $12, BB raises to $35, MP folds, Hero calls $23

Turn: ($89) Ks (2 players)

BB bets $88, Hero calls $88

River: ($265) 2s (2 players)

BB checks, Hero checks