Possessiveness in my female husky puppy

[Sarrah Stutzman]

My puupy, Luna, is 5 months old. Most of the time she is a sweet, loving dog, but she has beocome VERY possessive of her treats (mostly with other dogs, not with us) and her toys (with us as well as with other dogs). She will sit with my sock and her ears go back and she grows and barks when you walk too close. If you try to grab the sock (also happens with rawhides) she will snap at you (she seems to have no desire to bite, just to get you to pull back). It doesn't happen everytime and happens less often with my husband than with me. I am concerned that this will result in some serious issues. Can anyone give me advice?