SoundGuy wrote:
My personal preference is a pair of adjustable BAL Standard Tire Locking Chocks to secure the trailer and a pair of BAL X-Chocks to minimize the wiggle ...

... but since my current trailer doesn't allow sufficient room between adjacent tires for the BAL Standard Tire Chock I instead use rubber chocks secured in position with hardwood spacers ...

Either system works perfectly and will absolutely prevent the kind of event (and damage) the OP has described.
I like the look of the BAL standard chocks, are they usable on rough surfaces like gravel, dirt or grassy areas??