One who picked a winning ticket returns for the prize (6)

I believe the answer is:

reward

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'for the prize' is the definition.
(a prize may be given as a reward)

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for reward that I've seen before include "Prize; pay-off" , "Drawer (anag.)" , "Gift in recognition of achievement" , "Gift or prize for good deed or help" , "Desert" .)

I've seen this clue in The Globe and Mail.

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