Any updates on Tiaira?
It is very worrysome that she is having the problems that you described at such a small young age. (The breeder should have NEVER placed her in her home at under 8 weeks!


That is waaaaay to young for a pup to be separated from mom and litter. But as a former breeder, you probably already know that...)
I would definately make sure that she is eating some several times per day. And as mentioned, keep the nutrical on hand. When these little ones are so small, it doesn't take very long for something to affect their health.