Hi Angela! Most no-knead doughs will relax and expand outwards rather than rise upwards so it doesn't sound like you're doing anything wrong here. It can help to shape the boule tighter but that's a bit tricky with no-knead bread because the dough is so sticky. You might also try using a brotform or greasing a bowl and placing your dough in there, seam side up, for the final rise before baking, this will provide a bit of stucture and encourage the dough to rise upwards a bit more. Once the dough has finished its second rise in the bowl or form, you can turn it out onto a piece of parchment paper and then lower the loaf into the Dutch oven. We hope this helps! 

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