You should likely contact legal aid to help you with this. It is important to get your documents showing your total assets. If you are on SSI, which it sounds like you are; gambling winnings, lottery winnings and prizes are counted as unearned income subject to the general rules pertaining to income and income exclusions. SS does not subtract gambling losses from gambling winnings in determining an individual's countable income. As such, they will probably find that the money you received should have been offset by the amount you won.
This is not really a Social Security question so I will try to repost for you.
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