My little chihuahua puppies?

Ok so I rescued a little 3 pound chihuahua in front of Rite Aid about 2 months ago. She turned out to pregnant. I was so nervous for her because she is so small and took her to the vet a few times while trying to find her owner with no success. Anyways she had her puppies 11 days ago, two beautiful little boys. I am not a breeder and have dealt with lab puppies before but am new to this tiny puppy experience. The question is the boys where 2,8 oz and 3.3 oz at birth and have been gaining weight rapidly. more than doubled their wieght by day 7 and now on day 11 are 9.8 oz and 10.1 oz. I have been looking at the chihuahua growth chart and they are leaps and bounds ahead of that for their birth wieght. I have been feeding momma high quality puppy food with pure lamb and veggies since i found out she was preganant but after she had the puppies she turned her nose up to it. So I went and got the wet food with pure lamb and veggies and have also beeing bowling chicken everyday with rice and chicken broth for her and giving a little cottage cheese or low fat yougart to make she is getting enough calcium, and an egg yok boiled every other day. I want make sure she is getting all the nutrents she needs because she is so tiny. But the pups are gaing so fast, is this dangerous for their bone structure or anything like that, is it normal or am I making a mistake by feeding momma so much extra. I am new to this and am just trying to do the best for momma and the pups but am I doing the right thing? My vet called to check on her the day after she had the pups and said the spoonful of cottage cheese was ok. Any advice would be appreciated.