Melt butter in large skillet on medium heat. Add onion; cook and stir 1 minute or until softened. Add apples; cook and stir 5 minutes or until apples start to soften.
Stir in apple juice, dates, lemon juice and vanilla. Add sugar, cinnamon and ginger; stir until well blended. Reduce heat to medium-low.
Cook 5 to 10 minutes or until apples are softened and liquid is absorbed, stirring occasionally. Remove from heat; stir in pecans. Serve warm or at room temperature.