Pork and Shrimp Potstickers

Name: Pork and Shrimp Potstickers
Ingredients: 1 pound ground pork; 1 pound shelled and deveined medium shrimp, finely chopped; 6 scallions, chopped; 1 tablespoon minced fresh ginger; 2 tablespoons soy sauce; 2 teaspoons sesame oil; Kosher s alt; Freshly ground black pepper; 2 packages gyoza wrappers; Vegetable oil, for frying; 1/4 cup sambal oelek (Indonesian hot sauce); 1 cup rice vinegar; 1 cup soy sauce