I’ll be able to answer that one: Yes, what you are looking for is the “Config Backup & Restore” feature:
http://rockstor.com/docs/config_backup/config_backup.html#configuration-backup-and-restore
As of 3.9.2-52, rock-ons are included in the config backup and will be re-installed with the same settings upon Restore. All details should be explained in the documentation above, but feel free to have a look at the corresponding PR for a demonstration, for instance:
https://github.com/rockstor/rockstor-core/pull/2100
It is important to note, however, that because all rock-ons depend on the same shares as those present in the backup, one needs to import pools and shares (as you did) before restoring the config backup. Note also that restoring rock-ons can take some time depending on how many are to be restored, as the procedure equals to re-installing all the rock-ons that were installed at the time of the config backup. As a result, make sure to give it a few minutes to propagate.
Hope this helps, and let us know if you have any other question.