Coldcall or push?

This guy probably has an overpair.
Just push his reraise or call and make another bet hoping he will call or come over the top?
Only thing that botters me abit is floptexture.

Party Poker No-Limit Hold'em, $ BB (10 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

BB ($118.82)
UTG ($46.30)
UTG+1 ($20)
UTG+2 ($49.50)
MP1 ($21.02)
Hero ($70.15)
MP3 ($46.85)
CO ($61.65)
Button ($51.63)
SB ($52.15)

Preflop: Hero is MP2 with 6, 6. SB posts a blind of $0.25.
UTG calls $0.50, 3 folds, Hero calls $0.50, 1 fold, CO raises to $2.5, 2 folds, BB calls $2, UTG calls $2, Hero calls $2.

Flop: ($10.25) 6, 9, 8 (4 players)
BB bets $1, UTG folds, Hero raises to $4, CO raises to $8.

Final Pot: $23.25

i make it 25 and push the turn

raise the first bet more

as played jack it up big and get the rest in on the turn