The gruesome pics of the injuries make it clear ... she'll be gunning for lots of money.
The dog also went for her face but she blocked it with her arm, which was also injured.
Rozario tells TMZ ... Kim's first reaction was, "Please don't tell anyone. I'll lose my show."
Rozario claims Kim pressured her to tell them this.
Rozario tells us Kim has refused to pay any of her medical bills. So she'll file a lawsuit next week.
As we reported, the dog has attacked four people.
BLAMING THE VICTIMS
Kim Richards calls Rozario's version of events "vehemently not true," and strongly insinuates Rozario knew the dog was in the room and prone to bite.
Kim said the same thing about her niece Alexia after she was also attacked by her Pit Bull.
Alexia, in the hospital after being attacked by her aunt Kim's Pit Bull