There's a chain link dog enclosure for 300$ on amazon. Its pretty big

https://www.amazon.com/LEMBERI-Galvanized-Waterproof-Anti-Ultraviolet-Backyard/dp/B09KY2FX3H/ref=mp_s_a_1_2_sspa?crid=1KOFX8LYVM36Y&keywords=chainlink+chicken+run&qid=1680526960&sprefix=chainlink+cjicken%2Caps%2C155&sr=8-2-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUEzNkNVVU9CMFVHSVM1JmVuY3J5cHRlZElkPUEwNjc3MzQyMTdPVU5STlJOVUszMCZlbmNyeXB0ZWRBZElkPUEwOTAxNTI0M0M4RjlOUlQ3SURLTiZ3aWRnZXROYW1lPXNwX3Bob25lX3NlYXJjaF9hdGYmYWN0aW9uPWNsaWNrUmVkaXJlY3QmZG9Ob3RMb2dDbGljaz10cnVl

They got a 6x10x6 for 150$. Probably what you're looking forb