You should fold. What are you hoping to accomplish by calling or raising? Anyone with an overpair is calling which means you have to catch an A, K or two running hearts to make a flush. If someone already has a set you are screwed. Raising almost certainly wont do any good here since you have 3 opponents and at least one of them is sure to have an overpair. You are only .90 invested in the hand so IMO this is an easy fold.
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