Toast the panko: In a small skillet over medium heat, toast Panko bread crumbs for 3–5 minutes, stirring often, until golden brown. Set aside to cool.
Mix the dip: In a medium bowl, combine pickle relish, sour cream, whipped cream cheese, ranch seasoning, onion powder, garlic powder, salt, dill, and 1/2 cup bread crumbs. Stir until smooth and well combined. Refrigerate until ready to serve.
Serve: When ready to serve, top with remaining bread crumbs. Enjoy with with potato chips, pretzels, crackers, or veggies.