I'm also growing blue dream! I got mine from a dispensary 6 weeks ago.
Pretty neat how similar it looks to yours. One thing I noticed is how much wider the leaves are on your plants, suggesting you may have more of an indica-leaning pheno of blue dream compared to this skinny leafed sativa BD I've got here:
Also got Double Dream which is blue dream x chemdawg crossed back with blue dream. Thought it would be interesting to see how the 1/4 chemdawg affects the blue dream. Planted a couple weeks later so it's a bit smaller:
Your plants look great! You'll still get some decent weight keeping them in those pots. Keep us updated!