JJ,overpair,villain bets hard oop

he raised me twice while im on utg(raising).i just think he has an overpair.imo,if opp seems to bet hard oop on flop and turn,it usually means a big overpair esp re-raising pf.but calling the flop should be ok?

PokerStars No-Limit Hold'em, $0.10 BB (5 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

Hero (UTG) ($9.70)
MP ($10.40)
Button ($14.75)
SB ($4.70)
BB ($11.80)

Preflop: Hero is UTG with Jhttp://www.flopturnriver.com/phpBB2/...es/diamond.gif, Jhttp://www.flopturnriver.com/phpBB2/...miles/club.gif
Hero raises to $0.40, 3 folds, BB raises to $1.20, Hero calls $0.80

Flop: ($2.45) 9http://www.flopturnriver.com/phpBB2/...iles/spade.gif, 2http://www.flopturnriver.com/phpBB2/...iles/spade.gif, 7http://www.flopturnriver.com/phpBB2/...iles/heart.gif (2 players)
BB bets $1.70, Hero calls $1.70

Turn: ($5.85) 10http://www.flopturnriver.com/phpBB2/...iles/spade.gif (2 players)
BB bets $4, Hero folds

Total pot: $5.85 | Rake: $0.25

a flatcall and re-raise,his range here maybe being a trap overcard or a set

PokerStars No-Limit Hold'em, $0.10 BB (4 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

SB ($13.80)
BB ($2.10)
Hero (UTG) ($11.05)
Button ($18.15)

Preflop: Hero is UTG with Qhttp://www.flopturnriver.com/phpBB2/...miles/club.gif, Qhttp://www.flopturnriver.com/phpBB2/...iles/heart.gif
Hero raises to $0.40, Button calls $0.40, 1 fold, BB calls $0.30

Flop: ($1.25) 10http://www.flopturnriver.com/phpBB2/...iles/spade.gif, 2http://www.flopturnriver.com/phpBB2/...miles/club.gif, 3http://www.flopturnriver.com/phpBB2/...iles/heart.gif (3 players)
BB checks, Hero bets $0.90, Button raises to $2, 1 fold, Hero calls $1.10

Turn: ($5.25) Khttp://www.flopturnriver.com/phpBB2/...es/diamond.gif (2 players)
Hero checks, Button bets $3, Hero folds

Total pot: $5.25 | Rake: $0.25