Ritz Cheese Crispers

Is this kosher? Got these randomly sent to me by mail. They’ve got cheese in it too which I know can be a concern.
Ritz Cheese Crispers
Ingredients: Potato flour; cornstarch; canola oil; cheddar cheese (pasteurized milk, cultures, enzymes); whole grain wheat flour; oat fiber; sugar; salt; yeast extract; soy lecithin; natural flavor; cream; calcium phosphate; potassium bicarbonate; annatto extract; and paprika (for color); calcium lactate
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Not kosher