Mayacamas Gluten Free Hollandaise Sauce Mix

Is this item Kosher for Passover for Sephardim? Thanks!

Mayacamas Gluten Free Hollandaise Sauce Mix
Ingredients: Rice Flour, Whey (Milk), Lemon Flavour (Corn Syrup Solids, Lemon Juice Solids, Lemon Oil), Salt, Organic Sugar, Citric Acid, Spices.

Kosher for Pesach for Sephardim