Can't say I love any chain-pizza but out of the OP's choices I'd go with Pizza Hut... fortunately I live about 2 miles from Wooster st in New Haven Ct no shortage of fantastic pizza (or Italian food) places for me.
Believe it or not my favorite chain pizza is still Papa Johns sawdust-crust and all!
If it were me feeding a bunch of kids, I'd go LC. It's been almost a decade since I've had PH, but we'll get LC on the fly for a b-day party or get together for kids. It's cheap, less greasy and feeds more for the price. Kids don't really care where it comes from so their happy. TBH, I like their breadsticks and marinara dipping sauce too.
In the past, Pizza Slut for sure but today Caesars is better. Doesnt bother my stomach or gird either and the cheese is less plastic. I would try the new Dominos just to see if the box still tastes better. Papa Johns is really greasy now. Remember we are talking cheap pizza here. Mom and Pops when you can find them are usually better. Ahhh, Id kill for a vintage Godfathers.
They still do the square “Detroit style” pizzas:Today I would get a Costco Take'n'bake without a second thought.
At 23, with no money, no car, etc., it'd have been LC because there wasn't a Pizza Hut around, and $5 doesn't go much further many other places.
When I was a kid, Little Caesar's rectangular pizzas were awesome - you'd get two in those cardboard trays, wrapped in paper. Bliss. But it was just an anemic attempt at the true Best Pizza In The Universe.
https://en.wikipedia.org/wiki/Detroit-style_pizza