Easy Chorizo Chicken and Shellfish Paella

Name: Easy Chorizo, Chicken, and Shellfish Paella
Ingredients: 1 tablespoon extra-virgin olive oil; 3 bone-in skinless chicken thighs; 1 teaspoon kosher salt, divided; 1 large yellow onion, roughly chopped; 6 garlic cloves, smashed; 1½ cups uncooked Arborio rice; 1 tablespoon sherry vinegar or red wine vinegar; 1 14.5 ounce can whole peeled tomatoes; 3½ cups chicken stock; 2 teapoons sweet Hungarian paprika; 2 teapoons smoked paprika; 8 ounces fresh mussels, cleaned; 8 ounces large raw shrimp, peeled and deveined; 1 link dry-cured Spanish chorizo, sliced; sugar snap peas, sliced; and lemon wedges, for serving