CO: $408.30
Hero (BTN): $506.55
SB: $371.05
BB: $406.00
UTG: $433.60
MP: $357.00
Pre Flop: ($6.00) Hero is BTN with J

9
3 folds,
Hero raises to $10,
1 fold, BB calls $6
Flop: ($22.00) 8

K

T
(2 players)
BB checks, Hero checks
Turn: ($22.00) 7
(2 players)
BB bets $14,
Hero raises to $50, BB calls $36
River: ($61.00) 4
(2 players)
BB checks, Hero ?
villian is def a solid tag reg, who likes to c/r flops w/ a pretty balanced and merged range that includes total air and top pair hands. I elect to check back for this reason. I think the turn is a pretty mandatory raise, what should my river sizing be and should i call a check/shove?