When you initially ran pywallet to get dump the keys out... did you use the otherversion option to specify that the wallet was a DOGEcoin wallet? If not, it will have read the file as a Bitcoin wallet and will have output the private keys in Bitcoin format.

I suspect you have not used otherversion as you're saying the addresses start with a "1"... whereas Dogecoin addresses start with a "D" and the "WIF" format private keys for a dogecoin wallet should start with a "6".

I believe that the otherversion value for Dogecoin is 30... so your command should look something like: