Villain is 7/3, so we know what he has very often here. BB was kind of a nit too, thats why i opted not to three bet, figuring he'd fold.
Can I push the nit off of an overpair enough?

PokerStars No-Limit Hold'em, $0.25 BB (9 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

CO ($2.65)
Button ($46)
Hero (SB) ($26.85)
BB ($14.05)
UTG ($25)
UTG+1 ($27.25)
MP1 ($4.65)
MP2 ($25)
MP3 ($53.30)

Preflop: Hero is SB with K, A
3 folds, MP2 bets $1, 3 folds, Hero calls $0.90, BB calls $0.75

Flop: ($3) 3, 9, 7 (3 players)
Hero checks, BB checks, MP2 checks

Turn: ($3) 10 (3 players)
Hero bets $1.90, 1 fold, MP2 calls $1.90

River: ($6.80) 10 (2 players)
Hero bets $3.20, MP2 calls $3.20

Total pot: $13.20 | Rake: $0.60