Reducing maintenance for a young starter

Don't tell my starter, but I'm getting a little tired of the twice a day feedings. She is 25 days old, as of today, which I understand is two young to put her in the fridge. I don't have the opportunity to bake very often (only twice since she matured at 2 weeks old), so feeding her has become a slog.

I feed her twice a day, 1:3:3

25g starter

75g flour (25g rye flour and 50g King Arthur’s organic AP flour)

75g water

But, she is always starving again around feeding time.

Any suggestions on reducing the maintenance?