I LOVE LOVE LOVE that you are dedicated to the care of you CB hen, Applesauce. If you could post a photo of your sweet girl, that'd be great. My EE roo has a really bad case as well.
Since your girl is so young, I'd try the torpedo method. You grind up some feed, mix with an egg, roll some tiny...
CB is a deformity of the skull. There's nothing you can do to correct. The beak will continue to shift until the chick's bones are set - around 6 month or so. With minor considerations, most CB's can live a full life.
Right now, I'd start teaching it to eat mash. I started my CB on mash early...
I'm following you so no worries! I break the sheaths up by either rolling them in my fingers or using my fingernails to scratch/damage them so they loosen up and fall off. Older sheaths that are ready to come off are generally brittle and thin looking. Newer sheaths that are not ready to come...
In addition to what @JustBabyMargo said, you will need to assist with preening, especially during a molt. The worse the beak is, the more you will need to help break up those sheaths.
CB is a skull deformity - there is no fix for it. The beak will continue to change up until the chick hits...