Combine first 8 ingredients in heavy large Dutch oven. Bring to simmer over low heat, stirring until sugar dissolves.
Add rhubarb, onion and dried cherries; increase heat to medium-high and cook until fruit is tender and mixture thickens slightly, about 5 minutes. Cool completely.
Notes: Use your choice of seasonal fruit. A few of our favorites are rhubarb, peaches and apples. Can be made 1 day ahead. Cover and chill. Bring to room temperature before using or simmer until warm if prefer - can add a little water to reach desired consistency.