Wow! Your girl's got a set of lungs, I guess!
I would suggest putting something really fabulous that she only gets in the crate WITH THE DOOR CLOSED, like a kong with some peanut butter. Try just closing the door for ten seconds to start, then work your way up from there. If she quiets down while in the crate, I would give her a great treat for that as well.
Normally I'd agree with your strategy to keep her in the crate until she calms down, but 55 minutes - yeah, that's a long time.
Good luck, and let us know how it goes.
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