In a small bowl, beat the cream cheese, milk and soy sauce; stir in the chicken, carrot, onion, garlic and ginger., Place a 2 tablespoons filling in the center of one egg roll wrapper. (Keep remaining wrappers covered with a damp paper towel until ready to use.) Fold bottom corner over filling. Fold sides toward center over filling. Moisten remaining corner with water; roll up tightly to seal. Repeat., Fry egg rolls, in batches, until golden brown, 2-3 minutes on each side. Drain on paper towels. If desired, serve with sweet-and-sour sauce.