Het your humidity up to about 65-70. Also the eyes do turn blue and then clear up and a couple days later they will shed.

Also a lot of snakes don't just readily drink all the time. When they need water they will drink, their body's are great at reserving water for when needed so you may not see them drink.

About your snake hiding, that is something that ball pythons do, they hide. I have a few snakes that rarely come out and will pull their food into their hide, as long as she is eating and appears to be healthy she should be ok.

How long have you had her?