If Christ intended there to be women priests, there were many excellent choices He declined to commission. Think about one woman in particular who would have been certainly given holy orders had God intended a female priesthood (Hint: We are in her month!)
Others have aptly commented that it was actually the exception to the rule in religions at the time to prevent women from holding priesthood offices. Contemporary pagans of Christ’s life had priestesses galore.
If you assess religions that have allowed women priesthood holders, you get a very, very different flavor compared to the one, holy apostolic Church.
I know it is difficult to reconcile with our modernist culture that tells us we all can do whatever we want whenever we want. Indeed, this is just silly on the face of it. We all have different talents and we should celebrate that fact by working hard to develop them.
Women have extremely special roles that men cannot provide. Let us be thankful that God created two forms of humanity, man and woman, so that we are not like sponges that just grow off lumps to procreate! That we have the gift of women to nurture, raise, and develop children is FAR more dignified!
Church teaching should be plenty enough - but we can look to Scripture to find this. I would point to Ephesians 5 as something to meditate upon.
Of course, this should not be taken to defend macho culture and what television tells us is ‘manly’ (chiefly, lusting, having sex out of marriage, being a couch potato).
Admittedly, I am rather new to the Church (Confirmed at this year’s Vigil). So, feel free to correct any errors!