Keto Bacon Cheeseburger Bowls

Name: Keto Bacon Cheeseburger Bowls
Ingredients: 1/4 cup mayonnaise; 2 tablespoons no-sugar-added ketchup, such as Primal Kitchen; 1 teaspoon drained jarred horseradish; 1/2 teaspoon coconut aminos; 1/4 teaspoon hot sauce; 1/8 teaspoon paprika; 2 slices uncured bacon; 1 medium yellow onion, halved and thinly sliced (about 5 ounces); Fine sea salt and freshly ground black pepper; 1 pound ground beef; 1 romaine heart, chopped (about 4 cups); 1 cup cherry or grape tomatoes, halved; 1 medium avocado, diced; 1 small half-sour pickle, chopped (about 1/2 cup); 1 ounce sharp Cheddar cheese, shredded (1/4 cup)