It's up to you because in the first place, it's your coin. Want to hold and challenge the risks or fold it now and heads up to BTC?

Just remember that if you trade it on BTC, it will be now fixed and what will you just wait is to increase it's USD value. We play on altcoins to increase our hold BTC or ETH depends on what you like because in altcoin trading, we can increase the quantity of our bitcoin by just playing with their ups and downs.

If you are having so much worry then decide now to dump it.