Omg, Poor little soul. I am so glad that these good Samaritans helped the poor pup. What a terrible thing she has suffered and to be abandoned by some cruel humans. Obviously there was to be an extra puppy but nature can get it wrong sometimes.
I just hope that this little girl will be able to walk normally once she has healed. Such a sweet but sad little face. Hopefully someone with a loving heart will adopt her soon.