The side shoot/ratoon pups are different from the crown and crown pups, and are bigger and mature faster.
I've grown three crowns so far.
When you took the crown from the fruit, did you twist it off rather than cutting it off? Then you peel the outer leaves until you end up with about an inch of bumpy stem. THEN LET IT DRY for 2-3 days. THEN plant in sandy soil -- I used 50/50 sand and potting soil.
It took forever in the winter covered with a plastic produce bag. Only about a month when done in warmer months. Definitely needs high humidity and warmth.
The winter one was nearly dead and losing leaves by spring, but I kept it and just before it gave up its last ghost -- around mid-summer, I found three pups growing next to the rotten crown. That one was a couple of years go, but I mentioned elsewhere how I neglected them due to circumstances and I'm currently at two steps back, growing pups of the pups.
BTW each of the plants I have been growing have grown at least one new pup every summer so you won't lack for subjects to experiment/practice growing techniques once you get one going. I technically have two different pineapple varieties (according to the original tag that was on the fruits) but I didn't know sharpie marker fades in the sun and so the writing on the labels disappeared and I have no idea which is which until they fruit.