villian is 20/8/3.

is this standard? I figure that he'll continue to be aggressive, so why push him from the mileu of hands I beat? I know that his 3 bet range consists of AA, KK for sure. That said, can I ever get away from this hand? What about raising the flop or the turn?

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

BB ($32.15)
UTG ($49.55)
UTG+1 ($5)
MP1 ($4.90)
Hero (MP2) ($30.65)
CO ($8.90)
Button ($11.90)
SB ($35.20)

Preflop: Hero is MP2 with J, J
3 folds, Hero bets $1, CO calls $1, 2 folds, BB raises to $3, Hero calls $2, CO calls $2

Flop: ($9.10) 4, 7, J (3 players)
BB bets $6, Hero calls $6, 1 fold

Turn: ($21.10) A (2 players)
BB bets $8, Hero calls $8

River: ($37.10) 6 (2 players)
BB bets $15.15 (All-In), Hero calls $13.65 (All-In)

Total pot: $64.40 | Rake: $3