If you really dry balled that load, there is NO powder under the ball to cause any danger to someone pulling the rod from the muzzle. However, if you stuck a ball partway down the barrel, that is another story all together.
In that case, I recommend fouling the powder by pouring water, or cleaning fluid into the vent, or down the flash channel from the nipple. Only then would I pull the ramrod out by placing myself, or any part of my anatomy in front of the gun barrel. YOU do want to remove the Nipple on Percussion actions when doing this, so you can get lots of water or moose milk into the powder. If you only have a wooden ramrod, like the short one that comes with your gun, wet some leather latigo, or even shoe lace, wrap it wet around the ramrod 3 times, and tie it before trying to pull on it. Pay attention to the number of times you wrap the leather around the rod. For reasons I don't fully understand, 3Xs works better than 2 or 4!
If you give your self time for the water or solvent to soak the patch around the ball, and lubricate that barrel between the muzzle and the ball, it will come out easily. The trick is to use plenty of lube so that once you break the ball free from where it is seated, it has a totally lubricated surface to travel on as you pull it out.