No, From what i read Loot help with mod order, but for now the game work fine i had 0 crash in the 10 hours i played, so i think im fine without it. And Wrye Bash i dont know what is it, but from the nexus i see that don't work on W7, so i can't use it
PS. If you have some tips, about mods e load order of the mods, i would gladly accept them
For a tiny modlist like yours the mo sorting feature is enough, but you should really use loot if your modlist grows 100+ since the mo sorting tool cant be finetuned and not every mod will be recognised.
You'll need bash if you add many core changing mods or to tweak global variables, lets say, personally i would suggest it right away, but noobs should be careful with it, a bad bashed patch can fuck up your savegames.
Dont ask such things, everyone will threw their tastes in your face. Think about what you like, miss and want, then search it up and get the mods for it.
However, you missed 2 core mods in your basic setting, the unofficial skyrim patch and relationship dialog overhaul. I would also suggest some follower managment mod (my suggestion would be nethers follower framework since its the most stable, reliable and configurable one without running tons of scripts in the background) and some improvement mods for vampire/werewolf transformations. There are also mods to overhaul the perks. Also, if you play a mage or would play a mage if the spells would make it interesting, there are mods that make you feel the difference between a novice noob and the most dangerous archmage in history. You already played the game, think about your playstyle, there are mods to improve or change every aspect of the game. Follow your tastes and read the requirements/conflicts sections for every mod you add and you will never stop enjoying skyrim, follow the tastes of others and you have a bloated modlist with tons of shit you dont like, just like without any mods at all.
And think about some quest mods (own category on nexus), improving skyrims core is nice, but adding new content to your liking can make it feel like a new game. That also goes for sex mods ^^