Preheat oven to 425°F and line a baking tray with parchment paper.
Whisk flour, baking powder, salt, and garlic powder together.
Cut in cold butter until coarse crumbs form.
Stir in cheddar and chopped pickles.
Add pickle juice and milk; stir gently until just combined.
Drop ¼ cup mounds of dough on tray and bake 14–16 minutes.
Brush with melted butter and sprinkle fresh dill before serving.
