Are you planning to render it yourself?
But the hydrogenated stuff in the bucket, already rendered, works fine for pie crust.
I grew up rendering fat for soap and lard with my grandma. I have not done it years, because the bucket from the store is quicker and its not hat expensive. My sister had gotten back into making her own soap and lotions, so she is rendering fat again.
Any butcher will usually sell you the back fat or leaf fat cheap. You may have to ask them in advance to set aside a sufficient quantity for you.