My bc was showing the same syptoms a few weeks ago, and I also panicked and rushe dher to the vet!
She was doing the snorting thing and I got really worried. The vet said she probably had something lodged above her soft palate and they could put her under to see and get it out, or we could just wait it out as they'll usually sneeze it out. Well, she must've sneezed it out cuz she's fine now! It's hard not to panick sometimes. Good for you though Delerium! You're a good puppy mommy!!