IMO it is too early to consider this. Well, maybe not too early to consider but far too early to act upon it. His widow's grief is still raw and she opposes it. I am all for the idea of Reagan on currency but I feel that it is too soon. Out of respect for his wife I would say give it a while.
Nancy opposed dumping FDR from the dime, not putting Reagan on any currency.
Trying to dump FDR is what is foolish, as it creates a divisive battle.