Break ramen noodles into quarters and place in a large bowl; reserve one seasoning packet. Cover noodles with hot water; let stand until softened, about 5 minutes.
Drain noodles; rinse with cold water. Drain well and return to bowl.
In a large skillet, cook and crumble sausage over medium heat until no longer pink, 5-7 minutes. Drain on paper towels.
Mix salad dressing, 1/2 cup green onions, cilantro, lime zest, lime juice and contents of reserved seasoning packet; add to noodles. Toss with snow peas, carrots, 3 tablespoons peanuts and sausage. Sprinkle with the remaining green onions and peanuts.