Here is my address 194ZzWvFiRkigvDqYebfwg4GaJKj56YB7e. I transferred funds from 1-wallet(call it W/a) to that-1(call it W/b), saved keys, but come to find out I saved keys for W/a not W/b 
. So technically I never had the priv key.
. So technically I never had the priv key. Just forget these coins. It's almost impossible to recover your private key. Moreover, you never sent coins from this Bitcoin address, therefore even Pollard method will be useless in this case.
I looked at your Bitcoin address and found that this transaction has a high fee (107 satoshi per byte):
https://www.blockchain.com/btc/tx/f320a168b9b45de5316dfad5dfc55a1b82245d6d80e6ce7e6435041e7a0f307e
I guess you didn't use Bitcoin Core that would definitely save all your private keys on the hard drive.