01 - Preheat oven to 480°F (250°C) or the highest temperature available. Position a pizza stone inside the oven if using.
02 - On a lightly floured surface, stretch or roll pizza dough into a 12-inch round. Transfer to a parchment-lined baking sheet or pizza peel.
03 - In a mixing bowl, combine crème fraîche, minced garlic, chopped dill, lemon zest, salt, and black pepper until well blended.
04 - Spread crème fraîche sauce evenly over the pizza base, leaving a 1/2-inch border around the edges.
05 - Distribute shredded mozzarella cheese evenly over the sauce.
06 - Arrange sliced dill pickles and red onion (if using) atop the cheese layer.
07 - Bake for 12 to 15 minutes, until crust turns golden and cheese bubbles.
08 - Remove from oven, garnish with fresh dill, slice, and serve promptly.