INGREDIENTS
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1/4 cup light sour cream
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1 cup light mayonnaise, divided
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2 tablespoons country-style Dijon mustard, divided
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juice of 1 lime, divided
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1/4 cup green onions, coarsley chopped
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1 (.7-oz) packet zesty Italian dressing mix
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26 round buttery crackers, divided
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2 (8-oz) cups lump crabmeat
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cooking spray