Well, in your view, then, it's OK to discriminate against blacks and Jews with respect to employment and housing. Afterall, in your view, freedom of religion and association is absolute....
Where does that leave the 14th Amendment?
You're trying an ad hominem, in which you identify me with skinheads and the KKK on the grounds that I believe in free association. It won't work. Free association means I can associate with whom I please, and not associate with whom I please. If a black man wants to hire only blacks, or a Jew wants to hire only Jews, he's free to do so. If I don't want to hire Irishmen, that's my prerogative.
You should note, however, that before the civil rights laws were passed, blacks were entering the middle class, and their wages were rising, faster than they were after those laws were passed. Endorsing freedom of association does not imply a return to Jim Crow. For that matter, Jim Crow was not about private individuals exercising their preference: they were discriminatory laws.
Where does that leave the 14th Amendment?
It has exactly nothing to do with the 14th Amendment, which forbids discriminatory laws. The amendment doesn't state who I must choose as friends, club members or employees. In fact, affirmative action laws violate the 14th amendment, as do many other "anti-discrimination" laws.