It isnt, just bet or raise with it preflop, think, J-J is Third best hand preflop. They are winning you only if they have Q Q, K K , A A there. If you do that preflop raise or bet, its easy to fold if theres Q K 8 on the flop for example and someone bets. So you should go all in with it PREFLOPor do bet/raise.