I can at least direct you to the Popes words regarding redemptive suffering.
I won’t comment on any of this as you specifically ask for priestly input. Just a few websites…
REDEMPTORIS MISSIO OF THE SUPREME PONTIFF JOHN PAUL II
SALVIFICI DOLORIS OF THE SUPREME PONTIFF JOHN PAUL II
From the official
CATECHISM of the CATHOLIC CHURCH:
Priestly comments on Redemptive suffering:
copiosa.org/suffering/index.htm Archbishop Fulton J. Sheen,
“To Love and To Suffer” - The Science of the Saints
The Value of Suffering in the Life of Christian Perfection Fr. John A. Hardon, S.J.