The Sixgun SaviorWestern Novels and Short Stories October 1948 https://pulpcovers.com/wp-content/uploads/2020/11/Western-Novels-and-Short-Stories-October-1948.jpgThis looks a lot like a Peter Driben cover. via info headinginfo contentThis looks a lot like a Peter Driben cover.via
Go for Peter Driben !
One of the “scared girls with guns”, neither exactly Dangerous nor Helpless.