Udon Noodles with Shrimp Snow Peas and Peanuts

Name: Udon Noodles with Shrimp, Snow Peas, and Peanuts
Ingredients: 1 red chile (such as Fresno), finely chopped; 1 garlic clove, finely chopped; 6 tablespoons unseasoned rice vinegar; 6 tablespoons soy sauce; 3 tablespoons vegetable oil; 2 tablespoons peanut butter; 2 teaspoons sesame oil; 1 tablespoon finely grated peeled ginger; 1 teaspoon kosher salt, plus more to taste; 2 cups snow peas, thinly sliced (about 8 ounces); 1 pound udon noodles; 1 pound shrimp, peeled, deveined; 1/3 cup coarsely chopped roasted salted peanuts; 1/4 cup coarsely chopped fresh cilantro