A scoring draw might be enough for the Lilywhites to get through depending on what happens between AZ Alkmaar and Zenit Saint Petersburg.
Kenny is adamant they won't change their usual approach for this game.
Manchester United need a draw away to Zorya to put them through.
Conditions are poor in Ukraine for the match but officials say the game will go ahead.
Southampton are also in action tonight.
The Saints need only a draw at home to Hapeol Beer Sheeva to make the next round.
That games kicks off at five past eight while Dundalk and Manchester United begin their matches at 6.
