When you drive, you have to keep your eyes on the road and you can't look down. It's the same when you dribble - you have to keep your eyes up. When you are looking up, you can see everything around you. When you look down, you can only see what is below you.
Stay low in a good stance so that if the defense crowds and pressures you, you can quickly and explosively get away. If you are standing up tall, the defense can crowd you and pressure you backwards. Be ready and in position to attack.
Use your fingertips. Learn how to make music with the basketball. Play with the basketball. Have fun with the basketball.