Chop butter into small pieces.
Remove ¼ cup butter and return rest to refrigerator.
Combine flour, sugar, salt, and ¼ cup butter in bowl of stand mixer.
Turn mixer on low speed and mix until mixture is the texture of corn meal, 3-4 minutes.
Add rest of butter.
Mix on medium low speed until combined. (You should still have chunks of butter in mixture.)
Reduce speed to low.
Add ice water 1 Tablespoon at a time until dough comes together.
Turn out onto parchment paper.
Divide into fourths.
Form each ¼ into a round.
Wrap in plastic wrap.
Refrigerate for at least 4 hours.
Working with one disc at a time, remove from refrigerator.
Roll out on a non-stick surface (marble, parchment paper, silicone mat) into a circle that is 3/16 inch thick.
Cut out a 6" circle and fit it into pan. Reserve scraps.
Repeat with the 3 other pieces of dough.
Place pie crusts in refrigerator.
Re-roll pie crust scraps.
Cut into a rectangle.
Cut into ½" wide strips.
Braid strips to form 4 lattice tops. (See step by step photos above.)
Place lattice in refrigerator.