Temporary dips are very common in bull runs, that's the way the market works. After a big run there is always a small correction, and after that comes the next run. Don't be afraid and hodl your coins.
Holding is the only key to get more profit in future. If you sell your valuable Bitcoin due to panic, you are forced to lose some dollar. It is better to hold then sell at low price due to panic. Now the price of Bitcoin crossed 9,800$, in two days the prices will reach 10,000$. Just hold your valuable Bitcoin for your future.