Great question — answering as the UphillTech team:
That's an unusual problem, rollable pie crust recipes will in my experience always get hard enough in the fridge and actually too hard/brittle after a full night there. Troubleshooting should go in the following order: Make sure you are using a recipe that was designed to be rolled. Pressing is a legitimate way of making a pie crust, and maybe you had a recipe intended for it. Make sure is that you are working from a good quality recipe. You mention yours comes from a reputable book, so we could assume that it's good, but keep in mind that sometimes older sources have more elaborate/difficult recipes than newer ones. Make sure that you are following the recipe exactly. Possible sources of...
Full answer by rumtscho: https://cooking.stackexchange.com/a/114826 (CC BY-SA 4.0).
Need it done for your business? UphillTech.