I would say your 9mm is probably adequate to take care of any wolves or lions you may encounter. If it was me I'd be carrying a 357 magnum Smith and Wesson or Ruger.
I can't speak for wolves and lions but they can't be any harder to drop than a black bear and I dropped one of those with a 22 handgun. . .that being said I've seen 357's glance off a bears face.