Combine first 5 ingredients in a bowl; beat at medium speed of an electric mixer until smooth. Stir in pimento.
Cook orzo in boiling water 8 minutes. Add green onions, and cook an additional 2 minutes; drain well. Add to cream cheese mixture; stir well.
Per serving: 179 Calories; 6g Fat (31% calories from fat); 7g Protein; 24g Carbohydrate; 18mg Cholesterol; 236mg Sodium