eff stack 100BB
ARC 6max 25 nl

villian detail : he play (25/19) 3khand reg is on BTN passive on draw not too aggro call 3bet on bt is 35,4 bet range is 3

hero detail : hero play (17/13)

Preflop : Hero is sb with QsQc
co limp,BT raise 1, hero raise 3.5,co fold, BT call

Flop : ($7) 6d,3d,8 (2 player)
hero bet $3,BT call

Turn : ($x ) 6d,3d,8,3 (2 player)
hero bet $6.9,BT call

River : ($x) 6d,3d,8,3,2d ( 2 player)
hero all in $11.87,BT call all in

which villian's stats i need to check and play this hand(call 3bet)?
on flop i had only 3SPR, is it mean not matter what card come on Turn or river ---i still need to play all my chip?
on River, i beat some of his spp hand (99 to JJ),8x.what is your though process on River?