My grandfather told me many years ago " the secrete isn't what you shoot them with it's WHERE you shoot them " in this case it was hogs and his use of a single shot 22 LR to hunt them with. He always dropped them with one shot into the ear which went into the brain. He knew where to shot them.
That 32 S&W into the head will do enough damage. And a hit with a 32 is a lot better than a miss with a 44 magnum. Only hits count so accuracy and shooting well with it has a lot going for it.
If she likes it and can shoot it, it beats fingernails. Let her practice and if later she feels like moving onto something bigger then do so.
Gary