Smoky Fish Chowder

Name: Smoky Fish Chowder
Ingredients: 3 ounces bacon (about 3 to 4 slices), diced; 3 tablespoons unsalted butter; 2 medium leeks, white and light- green parts, thinly sliced; 3/4 teaspoon kosher salt, more as needed; 1/4 teaspoon hot smoked paprika; 1/4 cup dry white vermouth or white wine; 2 cups fish stock, store-bought or homemade; 1/2 pound fingerling potatoes, sliced into 1/4-inch rounds; 3 thyme sprigs; 2 cups whole milk; 10 ounces flaky white fish, such as flounder or cod, cut into 2-inch chunks