1 (16-ounce) package coleslaw mix (10 cups shredded red and/or green cabbage)
1/2 cup sour cream
1/2 cup mayonnaise
1/4 cup fresh lime juice
1/2 cup fresh cilantro leaves
1/2 teaspoon salt
1/2 teaspoon coarsely ground black pepper
2 tablespoons salt-free Mexican seasoning blend, divided
1 (1- to 1 1/2-pound) salmon fillet
2 tablespoons olive oil
8 corn or flour tortillas
Mango Pico de Gallo