Mediterranean Bison Sliders

Name: Mediterranean Bison Sliders
Ingredients: 1/2 cup uncooked basmati rice; 1/4 cup chopped almonds; 2 pound 90-percent-lean ground bison; 1/4 cup chopped raisins; 1/4 cup plus 1 tablespoons chopped flat-leaf parsley, divided; 3 tablespoons chopped mint, divided, plus whole leaves for garnish; 2 teaspoons coarse salt; 1/8 teaspoon freshly ground black pepper; 3 tablespoons olive oil, divided; 1 cup nonfat plain yogurt; 2 teaspoons fresh lemon juice; 1 stem saffron (optional); 1 1/2 cups low-sodium marinara sauce; 24 small brioche buns (1 1/2-inch diameter)