In 5-quart Dutch oven, melt butter over medium heat. Stir in flour with wire whisk until well blended. Slowly stir in broth with wire whisk. Stir in turkey, water, onion, rice and contents of seasoning packet.
Heat to boiling over high heat, stirring occasionally. Reduce heat to medium-low. Cover and simmer about 25 minutes or until rice is tender.
Stir in soymilk; heat just to boiling.