For the Pecans, melt butter in medium skillet on medium heat. Add pecans; cook and stir 5 minutes or until fragrant and lightly toasted. Sprinkle with sugar and cinnamon; stir until pecans are evenly coated. Set aside to cool.
For the Pomegranate Vinaigrette, mix oil, pomegranate juice, sugar and seasonings in small bowl with wire whisk until well blended.
Divide salad greens evenly among 6 serving plates. Top each salad with oranges, onions and Spiced Pecans. Drizzle with Pomegranate Vinaigrette. Serve immediately.