They should have had fresh water out from the age of 4 weeks old. Your bitch will finish weaning them when she's ready, she will spend less and less time with them. They also are ready for kibble softened with warm water at this age. They don't need any more dairy of any kind from here on out.
Make sure you give your bitch a way to get away from the puppies when she wants to, leave the pups food out free choice along with fresh water 24/7 and in 3 or so weeks she'll be done with them and drying up.