That verse doesn’t give warrant for any of this. The Bible tells us that all who have been born again are royal priests and that Christ is our great high priest. There is no need for a class of people called priests today. All believers have direct access to the Lord. We are directed to go boldly before the throne of grace. Christ is the sole mediator between man and the Father.
“But you are a chosen race, a royal priesthood, a holy nation, a people for his own possession, that you may proclaim the excellencies of him who called you out of darkness into his marvelous light.”
1 Peter 2:9
“Let us therefore come boldly unto the throne of grace, that we may obtain mercy, and find grace to help in time of need.”
—Hebrews 4:16
Then why did Jesus even say what he did at John 20:22-23? Why confer this on his disciples at all? Did the command dissolve once the disciples died?
What about James 5:16 “Therefore, confess your sins to one another and pray for one another, that you may be healed”?
Catholic Confession/Penance/Reconciliation certainly complements the the verses you cited.