Have her train with 148 gr DEWCs, but load either the FBI load or Speer 135gr+p for self defense. If she ever has to shoot, I doubt if she will object to the recoil. In fact, she won't even remember pulling the trigger! Not a sexist statement! Most people who survive a gunfight remember the sound as gentle pops, and don't recall the recoil at all.
In my opinion, a Model 10 is a perfect house gun, though the stainless version, the 66 if memory serves, would be easier to maintain. The .32 magnum cartridge is hard to find, as are revolvers to shoot it. I'm not sure it's going to make it. And from what I have read, that sucker kicks!
Cordially, Jack