villian is 25/14/2.5 over 105 hands

do i smooth call here? do i raise the flop? am I trying to get it in here?
this is prob my biggest weakness/leak of my game are pairs like this in this situation.

PokerStars No-Limit Hold'em, $0.25 BB (8 handed) Poker-Stars Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

MP2 ($23.35)
CO ($38.60)
Button ($18.10)
SB ($36.50)
BB ($5)
Hero ($24.25)
UTG+1 ($25)
MP1 ($13.85)

Preflop: Hero is UTG with J, J.
Hero raises to $1, 3 folds, CO raises to $2.5, 3 folds, Hero calls $1.50.

Flop: ($5.35) 5, 8, T (2 players)
Hero checks, CO bets $3, [color=#CC3333]Hero ???