In Dorico, you generally want to try to adjust per-layout settings to get what you’re looking for, and only add breaks or manually systems at the end. Here’s a recent thread where some options were discussed:
If you’d like to upload your Dorico project file, someone can take a look and offer suggestions. To upload a file, either drag it directly into the edit box here, or click the upload button.
If you take a screenshot, you can also just paste it directly from your clipboard into the edit box.